3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; $b = 0; $c = 0; function foo(&$v) { $v = $v + 1; } ++$a; foo($a); var_dump($a); foo(++$b); var_dump($b); $b =& ++$c; var_dump($c);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.340.0000.05019.31
5.4.320.0030.07719.16
5.4.310.0000.07719.00
5.4.300.0000.07019.06
5.4.290.0030.07718.94
5.4.280.0030.07319.26
5.4.270.0000.07018.96
5.4.260.0070.07319.31
5.4.250.0000.08319.14
5.4.240.0100.07019.14
5.4.230.0070.07319.15
5.4.220.0030.07718.98
5.4.210.0030.07319.15
5.4.200.0070.06719.16
5.4.190.0000.09018.87
5.4.180.0000.07719.30
5.4.170.0000.07019.30
5.4.160.0070.07718.93
5.4.150.0000.06319.07
5.4.140.0030.06716.31
5.4.130.0030.07716.31
5.4.120.0070.06716.32
5.4.110.0000.06316.52
5.4.100.0030.04316.56
5.4.90.0000.05016.45
5.4.80.0000.07016.26
5.4.70.0170.06316.52
5.4.60.0000.05716.55
5.4.50.0030.07716.43
5.4.40.0030.06716.32
5.4.30.0070.06316.53
5.4.20.0130.06016.59
5.4.10.0070.05316.42
5.4.00.0030.07315.73
5.3.290.0030.08014.63
5.3.280.0070.05714.50
5.3.270.0000.08014.52
5.3.260.0070.07714.72
5.3.250.0030.06714.57
5.3.240.0030.07314.61
5.3.230.0030.06714.75
5.3.220.0070.07714.53
5.3.210.0030.06014.58
5.3.200.0100.06014.48
5.3.190.0070.08314.64
5.3.180.0030.07014.48
5.3.170.0070.07014.46
5.3.160.0030.06014.55
5.3.150.0030.06714.62
5.3.140.0070.07314.47
5.3.130.0030.05314.59
5.3.120.0030.07014.55
5.3.110.0070.07714.66
5.3.100.0000.07713.96
5.3.90.0070.06314.24
5.3.80.0070.07313.99
5.3.70.0070.05714.02
5.3.60.0030.06313.92
5.3.50.0030.05313.97
5.3.40.0070.05014.17
5.3.30.0070.06713.81
5.3.20.0070.06713.61
5.3.10.0030.05013.66
5.3.00.0030.05313.54
5.2.170.0030.04012.16
5.2.160.0030.04712.16
5.2.150.0030.05312.16
5.2.140.0000.05312.16
5.2.130.0030.03312.16
5.2.120.0030.05712.16
5.2.110.0070.03012.16
5.2.100.0000.06012.16
5.2.90.0030.05312.16
5.2.80.0000.06712.16
5.2.70.0000.06012.16
5.2.60.0100.05712.16
5.2.50.0030.06012.16
5.2.40.0030.06012.16
5.2.30.0000.05312.16
5.2.20.0100.04312.16
5.2.10.0030.06012.16
5.2.00.0070.04312.16
5.1.60.0000.04312.16
5.1.50.0030.05312.16
5.1.40.0000.04712.16
5.1.30.0000.06012.16
5.1.20.0030.05312.16
5.1.10.0000.05012.16
5.1.00.0030.04012.16
5.0.50.0030.04712.16
5.0.40.0030.03312.16
5.0.30.0000.06712.16
5.0.20.0000.03712.16
5.0.10.0030.03012.16
5.0.00.0030.04712.16
4.4.90.0030.03712.16
4.4.80.0030.02312.16
4.4.70.0000.04012.16
4.4.60.0130.02312.16
4.4.50.0000.03312.16
4.4.40.0000.05712.16
4.4.30.0030.03012.16
4.4.20.0000.03012.16
4.4.10.0100.03012.16
4.4.00.0000.05712.16
4.3.110.0000.03012.16
4.3.100.0000.03712.16
4.3.90.0030.02712.16
4.3.80.0000.03712.16
4.3.70.0000.02012.16
4.3.60.0000.02012.16
4.3.50.0000.03712.16
4.3.40.0070.03312.16
4.3.30.0000.03712.16
4.3.20.0000.04012.16
4.3.10.0000.03712.16
4.3.00.0000.02712.16

preferences:
139.61 ms | 1394 KiB | 7 Q