3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['x', 'y', 'z']; foreach($array as &$element) { if ($element=='x') { $element = 'a'; } } function array_fetch(array $a) { $element = current($a); next($a); return $element; } var_dump($array);

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)
8.3.60.0090.00918.42
8.3.50.0070.01116.28
8.3.40.0070.01118.59
8.3.30.0090.00618.55
8.3.20.0080.00020.64
8.3.10.0050.00323.64
8.3.00.0000.01022.43
8.2.180.0110.01116.32
8.2.170.0040.01122.96
8.2.160.0070.00721.99
8.2.150.0070.00025.66
8.2.140.0060.00324.66
8.2.130.0000.00820.79
8.2.120.0080.00026.35
8.2.110.0030.00722.08
8.2.100.0090.00317.91
8.2.90.0050.00317.62
8.2.80.0030.00517.97
8.2.70.0030.00617.93
8.2.60.0000.00918.03
8.2.50.0080.00018.10
8.2.40.0030.00620.64
8.2.30.0040.00419.14
8.2.20.0050.00219.89
8.2.10.0040.00419.37
8.2.00.0000.00818.11
8.1.280.0160.00025.92
8.1.270.0020.00520.39
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.14
8.1.230.0090.00620.86
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0040.00418.66
8.1.160.0030.00618.89
8.1.150.0030.00519.00
8.1.140.0040.00420.28
8.1.130.0030.00320.27
8.1.120.0070.00017.36
8.1.110.0070.00017.32
8.1.100.0080.00017.52
8.1.90.0000.00717.50
8.1.80.0000.00717.45
8.1.70.0030.00617.46
8.1.60.0050.00317.63
8.1.50.0100.00017.49
8.1.40.0030.00617.43
8.1.30.0090.00017.66
8.1.20.0030.00617.66
8.1.10.0040.00417.45
8.1.00.0030.00517.27
8.0.300.0080.00021.70
8.0.290.0000.00816.63
8.0.280.0030.00318.46
8.0.270.0030.00317.23
8.0.260.0030.00320.13
8.0.250.0050.00216.96
8.0.240.0040.00416.93
8.0.230.0040.00416.84
8.0.220.0050.00216.91
8.0.210.0070.00016.82
8.0.200.0030.00316.95
8.0.190.0040.00416.84
8.0.180.0030.00516.90
8.0.170.0030.00616.80
8.0.160.0040.00416.95
8.0.150.0040.00416.91
8.0.140.0030.00316.92
8.0.130.0050.00013.36
8.0.120.0040.00416.89
8.0.110.0040.00416.87
8.0.100.0040.00416.82
8.0.90.0050.00216.90
8.0.80.0090.00616.87
8.0.70.0000.00816.70
8.0.60.0000.00716.84
8.0.50.0050.00216.71
8.0.30.0050.01317.18
8.0.20.0260.00017.40
8.0.10.0040.00416.86
8.0.00.0110.00716.71
7.4.330.0020.00215.55
7.4.320.0030.00316.39
7.4.300.0060.00016.62
7.4.290.0070.00016.36
7.4.280.0050.00316.61
7.4.270.0020.00516.37
7.4.260.0070.00016.56
7.4.250.0000.00716.46
7.4.240.0030.00316.46
7.4.230.0000.00716.50
7.4.220.0000.00816.70
7.4.210.0090.00916.64
7.4.200.0000.00716.51
7.4.160.0100.00816.46
7.4.140.0090.00817.86
7.4.130.0130.00716.46
7.4.120.0110.01116.40
7.4.110.0100.00616.52
7.4.100.0120.00616.49
7.4.90.0000.01616.59
7.4.80.0050.01419.39
7.4.70.0180.00316.52
7.4.60.0100.00616.50
7.4.50.0030.01216.50
7.4.40.0030.01316.38
7.4.10.0070.01114.88
7.4.00.0070.01014.93
7.3.330.0000.00513.16
7.3.320.0040.00413.30
7.3.310.0060.00016.33
7.3.300.0000.00616.25
7.3.290.0040.00416.32
7.3.280.0110.00716.24
7.3.260.0090.00716.49
7.3.240.0100.00716.55
7.3.230.0060.01116.28
7.3.210.0060.01516.56
7.3.200.0040.01616.42
7.3.190.0140.00416.26
7.3.180.0090.00616.57
7.3.170.0070.01016.34
7.3.160.0100.00616.38
7.3.130.0100.00714.99
7.3.120.0090.00914.75
7.3.110.0110.00614.85
7.3.100.0030.01214.73
7.3.90.0060.00814.88
7.3.80.0040.00714.71
7.3.70.0070.00514.67
7.3.60.0040.00914.59
7.3.50.0040.01014.62
7.3.40.0070.00714.73
7.3.30.0040.00814.77
7.3.20.0080.00516.57
7.3.10.0070.00616.55
7.3.00.0050.00716.67
7.2.330.0090.00916.80
7.2.320.0030.02016.40
7.2.310.0110.00716.58
7.2.300.0030.01316.80
7.2.290.0040.01216.49
7.2.260.0030.01414.74
7.2.250.0050.01114.99
7.2.240.0040.01315.14
7.2.230.0100.00615.04
7.2.220.0070.00614.91
7.2.210.0070.00615.04
7.2.200.0030.01215.10
7.2.190.0070.00514.95
7.2.180.0070.00714.81
7.2.170.0050.00914.96
7.2.160.0090.00514.84
7.2.150.0010.01316.83
7.2.140.0070.00816.83
7.2.130.0040.01016.87
7.2.120.0100.00616.75
7.2.110.0040.00916.81
7.2.100.0050.00716.82
7.2.90.0060.00916.91
7.2.80.0060.00716.92
7.2.70.0070.00816.83
7.2.60.0040.01016.77
7.2.50.0070.00816.94
7.2.40.0090.00716.94
7.2.30.0080.01016.78
7.2.20.0070.00616.82
7.2.10.0070.00716.85
7.2.00.0080.00616.68
7.1.330.0080.00615.64
7.1.320.0020.01115.63
7.1.310.0050.00715.85
7.1.300.0050.00715.68
7.1.290.0050.00715.66
7.1.280.0050.00915.79
7.1.270.0080.00715.63
7.1.260.0080.00715.71
7.1.250.0070.00615.78
7.1.240.0030.01015.64
7.1.230.0050.00315.72
7.1.220.0100.00715.76
7.1.210.0000.01115.53
7.1.200.0040.00815.70
7.1.190.0030.00715.75
7.1.180.0090.00316.04
7.1.170.0060.00615.91
7.1.160.0100.00715.49
7.1.150.0150.00015.58
7.1.140.0060.00315.47
7.1.130.0040.00815.88
7.1.120.0130.00015.75
7.1.110.0070.00715.66
7.1.100.0000.01315.90
7.1.90.0060.00315.79
7.1.80.0110.00315.88
7.1.70.0000.01115.64
7.1.60.0030.00716.04
7.1.50.0040.01215.53
7.1.40.0000.01415.61
7.1.30.0030.00915.79
7.1.20.0090.00615.72
7.1.10.0090.00615.75
7.1.00.0100.00015.92

preferences:
75.27 ms | 400 KiB | 5 Q