3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'echo "hello, my name is $array[foo] and it\'s nice to meet you";'; echo preg_replace_callback('/\".*(\$.*\[[^\'].*[^\']\]).*\"/', function($match) { $search = ['[', ']']; $replace = ["['", "']"]; $array = '" . ' . str_replace($search, $replace, $match[1]) . ' . "'; return str_replace($match[1], $array, $match[0]); }, $str);

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