3v4l.org

run code in 300+ PHP versions simultaneously
<?php $searchTerm = "abcd"; $replaceTerm = "XXXX"; $test=array("${searchTerm}/${searchTerm}_.${searchTerm}", "xay${searchTerm}", "asdasd/${searchTerm}.mp3", "${searchTerm}.", "blahahbasd${searchTerm}", "1234${searchTerm}1234", "${searchTerm}"); foreach ($test as $t) echo "$t => " . preg_replace("/". preg_quote($searchTerm) . "([^_.]|$)/x", preg_quote($replaceTerm) . "\${1}", $t) . "\n";
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/kNWYg on line 5 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/kNWYg on line 5 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/kNWYg on line 5 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/kNWYg on line 5 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/kNWYg on line 5 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/kNWYg on line 5 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/kNWYg on line 5 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/kNWYg on line 5 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/kNWYg on line 5 abcd/abcd_.abcd => XXXX/abcd_.XXXX xayabcd => xayXXXX asdasd/abcd.mp3 => asdasd/abcd.mp3 abcd. => abcd. blahahbasdabcd => blahahbasdXXXX 1234abcd1234 => 1234XXXX1234 abcd => XXXX
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
abcd/abcd_.abcd => XXXX/abcd_.XXXX xayabcd => xayXXXX asdasd/abcd.mp3 => asdasd/abcd.mp3 abcd. => abcd. blahahbasdabcd => blahahbasdXXXX 1234abcd1234 => 1234XXXX1234 abcd => XXXX

preferences:
258.4 ms | 405 KiB | 342 Q