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run code in 150+ php & hhvm versions
Bugs & Features
<?php function feed() { return new ArrayIterator(['Apples', 'Bananas', 'Cherries']); } iterator_apply(feed(), function(Iterator $iterator) { echo strtoupper($iterator->current()) . "\n"; return TRUE; }, array($it));
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: it in /in/IQXhu on line 11 Fatal error: Uncaught TypeError: Argument 1 passed to {closure}() must implement interface Iterator, null given in /in/IQXhu:8 Stack trace: #0 [internal function]: {closure}(NULL) #1 /in/IQXhu(11): iterator_apply(Object(ArrayIterator), Object(Closure), Array) #2 {main} thrown in /in/IQXhu on line 8
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Notice: Undefined variable: it in /in/IQXhu on line 11 Catchable fatal error: Argument 1 passed to {closure}() must implement interface Iterator, null given in /in/IQXhu on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/IQXhu on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/IQXhu on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/IQXhu on line 5
Process exited with code 255.