3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = ["baz" => 42]; function modify($a) { global $foo; var_dump($a === $foo); $a['hello'] = "world"; var_dump($a === $foo); } modify($foo); var_dump($foo);

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)
8.4.130.0120.00817.93
8.4.120.0080.01220.53
8.4.110.0120.00822.22
8.4.100.0130.00817.82
8.4.90.0080.00618.59
8.4.80.0110.00917.79
8.4.70.0120.00817.44
8.4.60.0120.00818.59
8.4.50.0090.01118.82
8.4.40.0070.01319.49
8.4.30.0140.00720.60
8.4.20.0080.00820.18
8.4.10.0030.00619.46
8.3.260.0100.00916.70
8.3.250.0090.01018.56
8.3.240.0040.00416.55
8.3.230.0100.00716.55
8.3.220.0130.00516.89
8.3.210.0090.00516.52
8.3.200.0060.00316.63
8.3.190.0100.00518.88
8.3.180.0140.00417.16
8.3.170.0000.00818.91
8.3.160.0110.00716.43
8.3.150.0040.00416.92
8.3.140.0110.00718.25
8.3.130.0040.00418.41
8.3.120.0100.00620.72
8.3.110.0120.00316.50
8.3.100.0100.00624.06
8.3.90.0040.00426.77
8.3.80.0040.00816.63
8.3.70.0120.00616.58
8.3.60.0170.00318.43
8.3.50.0080.01017.32
8.3.40.0100.00718.82
8.3.30.0120.00318.86
8.3.20.0040.00421.90
8.3.10.0080.00019.06
8.3.00.0040.00421.46
8.2.290.0130.00520.43
8.2.280.0140.00518.52
8.2.270.0120.00617.15
8.2.260.0030.00616.43
8.2.250.0110.00416.58
8.2.240.0000.00917.27
8.2.230.0070.00320.94
8.2.220.0090.00037.54
8.2.210.0000.00826.77
8.2.200.0070.01016.50
8.2.190.0140.00716.58
8.2.180.0110.00725.92
8.2.170.0140.00422.96
8.2.160.0120.00622.11
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0000.00726.16
8.2.110.0070.00319.38
8.2.100.0090.00317.78
8.2.90.0030.00617.97
8.2.80.0080.00017.97
8.2.70.0030.00517.93
8.2.60.0000.00918.22
8.2.50.0080.00018.10
8.2.40.0000.00819.40
8.2.30.0070.00020.45
8.2.20.0000.00718.04
8.2.10.0040.00418.73
8.2.00.0000.00717.98
8.1.330.0140.00522.00
8.1.320.0140.00717.86
8.1.310.0040.01116.31
8.1.300.0090.00020.20
8.1.290.0040.00830.84
8.1.280.0070.01125.92
8.1.270.0000.00822.01
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0120.00022.29
8.1.230.0060.00620.88
8.1.220.0050.00317.74
8.1.210.0060.00318.84
8.1.200.0030.00517.35
8.1.190.0000.01017.23
8.1.180.0050.00318.10
8.1.170.0000.00818.43
8.1.160.0050.00518.78
8.1.150.0050.00218.74
8.1.140.0030.00520.30
8.1.130.0000.00720.25
8.1.120.0000.00717.40
8.1.110.0000.00717.27
8.1.100.0060.00317.28
8.1.90.0060.00317.27
8.1.80.0050.00217.38
8.1.70.0060.00317.43
8.1.60.0060.00317.57
8.1.50.0030.00617.48
8.1.40.0050.00317.52
8.1.30.0000.00917.64
8.1.20.0030.00517.54
8.1.10.0050.00317.44
8.1.00.0040.00417.46
8.0.300.0070.00019.89
8.0.290.0040.00416.63
8.0.280.0030.00318.33
8.0.270.0000.00716.75
8.0.260.0060.00018.35
8.0.250.0090.00016.88
8.0.240.0030.00316.75
8.0.230.0080.00016.92
8.0.220.0040.00416.86
8.0.210.0030.00316.71
8.0.200.0020.00516.77
8.0.190.0000.00816.86
8.0.180.0070.00016.73
8.0.170.0040.00416.76
8.0.160.0000.00716.89
8.0.150.0070.00016.80
8.0.140.0040.00416.82
8.0.130.0030.00313.25
8.0.120.0000.00716.72
8.0.110.0040.00416.86
8.0.100.0040.00416.93
8.0.90.0000.00716.85
8.0.80.0140.00416.85
8.0.70.0000.00716.88
8.0.60.0000.00716.80
8.0.50.0030.00616.81
8.0.30.0110.00617.02
8.0.20.0160.00716.95
8.0.10.0040.00416.96
8.0.00.0090.01116.64
7.4.330.0040.00015.55
7.4.320.0070.00016.42
7.4.300.0030.00316.59
7.4.290.0070.00016.57
7.4.280.0000.01116.48
7.4.270.0070.00016.59
7.4.260.0030.00316.43
7.4.250.0000.00816.49
7.4.240.0000.00716.52
7.4.230.0030.00316.59
7.4.220.0000.00716.69
7.4.210.0080.00816.59
7.4.200.0070.00016.24
7.4.160.0080.00916.46
7.4.140.0090.00917.86
7.4.130.0140.00316.41
7.4.120.0130.00616.48
7.4.110.0060.01016.40
7.4.100.0090.00816.52
7.4.90.0170.00016.62
7.4.80.0100.00619.39
7.4.70.0100.00716.23
7.4.60.0040.01216.45
7.4.50.0100.00716.45
7.4.40.0090.00916.39
7.4.10.0080.00615.19
7.4.00.0060.01114.95
7.3.330.0000.00513.30
7.3.320.0060.00013.30
7.3.310.0040.00416.20
7.3.300.0060.00016.32
7.3.290.0040.00416.28
7.3.280.0230.00416.26
7.3.260.0150.00416.48
7.3.240.0110.00716.49
7.3.230.0120.00416.48
7.3.210.0100.00716.27
7.3.200.0250.00816.48
7.3.190.0100.00616.39
7.3.180.0030.01316.60
7.3.170.0030.01316.30
7.3.160.0100.00716.63
7.3.130.0100.01014.59
7.3.120.0080.00914.64
7.3.110.0080.00914.88
7.3.100.0110.00414.67
7.3.90.0100.00214.65
7.3.80.0070.00514.60
7.3.70.0060.00714.90
7.3.60.0060.00614.75
7.3.50.0070.00714.88
7.3.40.0060.00514.53
7.3.30.0040.00714.63
7.3.20.0030.00916.58
7.3.10.0040.00816.83
7.3.00.0030.01316.54
7.2.330.0090.00916.26
7.2.320.0140.00316.62
7.2.310.0130.00316.57
7.2.300.0080.00916.75
7.2.290.0140.00616.33
7.2.260.0000.02015.13
7.2.250.0070.01214.98
7.2.240.0050.01314.91
7.2.230.0060.00514.75
7.2.220.0040.00914.91
7.2.210.0050.00714.95
7.2.200.0030.01014.99
7.2.190.0100.00414.96
7.2.180.0050.00614.92
7.2.170.0090.00314.68
7.2.160.0050.00914.82
7.2.150.0110.00316.97
7.2.140.0030.01016.73
7.2.130.0030.00916.85
7.2.120.0090.00516.81
7.2.110.0050.01016.71
7.2.100.0090.00716.68
7.2.90.0080.00416.70
7.2.80.0030.01516.78
7.2.70.0090.00516.92
7.2.60.0050.00716.69
7.2.50.0090.00816.68
7.2.40.0060.00916.86
7.2.30.0090.00716.71
7.2.20.0070.00716.98
7.2.10.0040.00916.91
7.2.00.0080.00516.69
7.1.330.0050.00915.82
7.1.320.0040.00915.62
7.1.310.0030.00715.67
7.1.300.0050.01115.65
7.1.290.0030.00715.82
7.1.280.0050.00815.83
7.1.270.0060.00715.69
7.1.260.0050.01015.68
7.1.250.0080.00515.84
7.1.240.0080.00415.73
7.1.230.0100.00315.64
7.1.220.0090.00315.75
7.1.210.0000.00915.75
7.1.200.0060.00915.64
7.1.190.0030.01015.68
7.1.180.0090.00615.86
7.1.170.0090.00315.78
7.1.160.0100.00615.83
7.1.150.0080.00815.82
7.1.140.0030.01015.75
7.1.130.0070.00315.70
7.1.120.0040.01115.93
7.1.110.0030.01015.97
7.1.100.0060.00615.96
7.1.90.0060.00315.95
7.1.80.0030.01015.81
7.1.70.0060.00615.66
7.1.60.0000.01115.88
7.1.50.0060.00815.89
7.1.40.0060.00915.66
7.1.30.0070.00715.57
7.1.20.0090.00615.65
7.1.10.0070.00415.83
7.1.00.0110.00315.68

preferences:
51.15 ms | 403 KiB | 5 Q