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<?php class PO { public $entries = array( "1\n", "a\n\n" ); public static function export_entry( &$entry ) { return trim($entry); } function export_entriesA() { return implode( "\n\n", array_map( array( 'PO', 'export_entry' ), $this->entries ) ); } function export_entriesB() { array_walk( $this->entries, array( 'PO', 'export_entry' ) ); return implode( "\n\n", $this->entries ); } function export_entriesC() { $entries = $this->entries; array_walk( $this->entries, array( 'PO', 'export_entry' ) ); return implode( "\n\n", $entries ); } } $obj = new PO(); var_dump($obj->export_entriesA()); var_dump($obj->entries); var_dump($obj->export_entriesC()); var_dump($obj->entries); var_dump($obj->export_entriesB()); var_dump($obj->entries);
Output for 8.0.0 - 8.0.8
Warning: PO::export_entry(): Argument #1 ($entry) must be passed by reference, value given in /in/KbpLJ on line 11 Warning: PO::export_entry(): Argument #1 ($entry) must be passed by reference, value given in /in/KbpLJ on line 11 string(4) "1 a" array(2) { [0]=> string(2) "1 " [1]=> string(3) "a " } string(7) "1 a " array(2) { [0]=> string(2) "1 " [1]=> string(3) "a " } string(7) "1 a " array(2) { [0]=> string(2) "1 " [1]=> string(3) "a " }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1, 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.29, 7.4.0 - 7.4.21
string(4) "1 a" array(2) { [0]=> string(2) "1 " [1]=> string(3) "a " } string(7) "1 a " array(2) { [0]=> string(2) "1 " [1]=> string(3) "a " } string(7) "1 a " array(2) { [0]=> string(2) "1 " [1]=> string(3) "a " }
Output for 5.1.2
Strict Standards: Non-static method PO::export_entry() cannot be called statically, assuming $this from compatible context PO in /in/KbpLJ on line 11 string(4) "1 a" array(2) { [0]=> string(2) "1 " [1]=> string(3) "a " } string(7) "1 a " array(2) { [0]=> string(2) "1 " [1]=> string(3) "a " } string(7) "1 a " array(2) { [0]=> string(2) "1 " [1]=> string(3) "a " }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/KbpLJ on line 4
Process exited with code 255.
Output for 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/KbpLJ on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/KbpLJ on line 4
Process exited with code 255.

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