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Caution: This documentation is for Exponential, from version 3.x to 6.x.
For 5.x documentation covering Platform see Exponential Platform Documentation, for difference between legacy and Platform see 5.x Architecture overview.

Recent changes

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Thursday November 05 2026

  • serialize (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Provided by the extension swark (its settings/template.ini.append.php), not by the kernel. Summary Runs the PHP function serialize() on the input value (settings/template.ini [PHP] PHPOperatorList[serialize]=serialize).…
  • similar_text (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary similar_text( str1, str2 ) — returns count of matching chars; str2 required Description PHP string function operators for Exponential templates. Provides template access to PHP…
  • soundex (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary PHP string function operators for Exponential templates. Description PHP string function operators for Exponential templates. Provides template access to PHP string functions d…
  • levenshtein (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary levenshtein( str1, str2 ) — str2 required Description PHP string function operators for Exponential templates. Provides template access to PHP string functions documented at ht…
  • ltrim (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary ltrim( string [, chars] ) Description PHP string function operators for Exponential templates. Provides template access to PHP string functions documented at https://www.php.ne…
  • metaphone (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary metaphone( string [, max_phonemes] ) Description PHP string function operators for Exponential templates. Provides template access to PHP string functions documented at https:/…
  • number_format (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary number_format( number [, decimals [, dec_point, thousands_sep]] ) Note: PHP requires dec_point and thousands_sep to be given together. Description PHP string function operators…
  • quoted_printable_decode (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary PHP string function operators for Exponential templates. Description PHP string function operators for Exponential templates. Provides template access to PHP string functions d…
  • quoted_printable_encode (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary PHP string function operators for Exponential templates. Description PHP string function operators for Exponential templates. Provides template access to PHP string functions d…
  • quotemeta (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary PHP string function operators for Exponential templates. Description PHP string function operators for Exponential templates. Provides template access to PHP string functions d…
  • rawurldecode (Updated)
    Technical manual 6.x · Changed 11:20 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.15 (in development, not in a release yet). Summary Runs the PHP function rawurldecode() on the input value (settings/template.ini [PHP] PHPOperatorList[rawurldecode]=rawurldecode). Usage {…
  • convert_uudecode (Updated)
    Technical manual 6.x · Changed 11:19 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary Suppress E_WARNING for malformed uuencoded input. Description PHP string function operators for Exponential templates. Provides template access to PHP string functions document…
  • convert_uuencode (Updated)
    Technical manual 6.x · Changed 11:19 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary PHP string function operators for Exponential templates. Description PHP string function operators for Exponential templates. Provides template access to PHP string functions d…
  • getenv (Updated)
    Technical manual 6.x · Changed 11:19 am · Last updated by Graham Brookins on 11/05/2026
    Provided by the extension bcgooglesitemaps (its settings/template.ini.append.php), not by the kernel. Summary Runs the PHP function getenv() on the input value (settings/template.ini [PHP] PHPOperatorList[getenv]=getenv)…
  • hebrev (Updated)
    Technical manual 6.x · Changed 11:19 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary hebrev( hebrew_text [, max_chars_per_line] ) Description PHP string function operators for Exponential templates. Provides template access to PHP string functions documented at…
  • hex2bin (Updated)
    Technical manual 6.x · Changed 11:19 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary Returns false on invalid input; suppress PHP's E_WARNING for odd-length or non-hex strings so the template doesn't crash. Description PHP string function operators for Exponent…
  • html_entity_decode (Updated)
    Technical manual 6.x · Changed 11:19 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary html_entity_decode( string [, flags [, encoding]] ) Defaults: ENT_QUOTES | ENT_HTML5, 'UTF-8' Description PHP string function operators for Exponential templates. Provides temp…
  • htmlentities (Updated)
    Technical manual 6.x · Changed 11:19 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary htmlentities( string [, flags [, encoding [, double_encode]]] ) Defaults: ENT_QUOTES, 'UTF-8' Description PHP string function operators for Exponential templates. Provides temp…
  • htmlspecialchars_decode (Updated)
    Technical manual 6.x · Changed 11:19 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary htmlspecialchars_decode( string [, flags] ) Default: ENT_QUOTES Description PHP string function operators for Exponential templates. Provides template access to PHP string func…
  • lcfirst (Updated)
    Technical manual 6.x · Changed 11:19 am · Last updated by Graham Brookins on 11/05/2026
    Available since Exponential 6.0.13. Summary PHP string function operators for Exponential templates. Description PHP string function operators for Exponential templates. Provides template access to PHP string functions d…