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run code in 300+ PHP versions simultaneously
<?php $text = "This is a string with 'single quotes' and " . '"double quotes" in it.'; echo $text."\n"; echo str_replace('"',"'",$text)."\n"; echo htmlentities($text,ENT_QUOTES); ?>
Output for 4.3.2 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
This is a string with 'single quotes' and "double quotes" in it. This is a string with 'single quotes' and 'double quotes' in it. This is a string with &#039;single quotes&#039; and &quot;double quotes&quot; in it.
Output for 4.3.0 - 4.3.1
This is a string with 'single quotes' and "double quotes" in it. This is a string with 'single quotes' and 'double quotes' in it.
Process exited with code 139.

preferences:
334.45 ms | 401 KiB | 456 Q