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<?php $str = "ˈdɪk ʃəˌnɛr i"; $chrArray = preg_split('//u', $str, -1, PREG_SPLIT_NO_EMPTY); for($i = 0 ; $i < count($chrArray) ; $i++) { if($chrArray[$i] == 'ˈ' || $chrArray[$i] == 'ˌ') $chrArray[$i] = '_'; } $output = join($chrArray, ""); echo $output;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: join(): Argument #2 ($array) must be of type ?array, string given in /in/WrnGM:9 Stack trace: #0 /in/WrnGM(9): join(Array, '') #1 {main} thrown in /in/WrnGM on line 9
Process exited with code 255.

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