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run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { var $bar = 'I am bar.'; var $arr = array('I am A.', 'I am B.', 'I am C.'); var $r = 'I am r.'; } $foo = new foo(); $bar = 'bar'; $baz = array('foo', 'bar', 'baz', 'quux'); echo $foo->$bar . "\n"; echo $foo->$baz[1] . "\n"; $start = 'b'; $end = 'ar'; echo $foo->{$start . $end} . "\n"; $arr = 'arr'; echo $foo->$arr[1] . "\n"; echo $foo->{$arr}[1] . "\n";
Output for 7.0.0 - 7.1.0
I am bar. Notice: Array to string conversion in /in/P03ti on line 12 Notice: Undefined property: foo::$Array in /in/P03ti on line 12 I am bar. I am B. I am B.
Output for 4.3.0 - 4.4.9, 5.1.3 - 5.6.28, hhvm-3.10.0 - 3.12.0
I am bar. I am bar. I am bar. I am r. I am B.
Output for 5.0.0 - 5.1.2
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/P03ti on line 3 Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/P03ti on line 4 Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/P03ti on line 5 I am bar. I am bar. I am bar. I am r. I am B.