3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [0, 1, 2]; $ref =& $array; // Necessary to trigger the old behavior foreach ($array as $val) { var_dump($val); $array[1] = 'X'; } var_dump($ref);

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)
8.3.60.0180.00416.50
8.3.50.0130.00621.27
8.3.40.0100.00718.71
8.3.30.0120.00318.85
8.3.20.0000.00720.34
8.3.10.0040.00423.56
8.3.00.0080.00019.56
8.2.180.0100.00716.75
8.2.170.0080.00622.96
8.2.160.0160.00020.57
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0060.00317.60
8.2.110.0060.00322.15
8.2.100.0080.00417.75
8.2.90.0090.00019.34
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0050.00318.03
8.2.50.0040.00418.07
8.2.40.0000.00719.52
8.2.30.0000.00817.99
8.2.20.0040.00417.64
8.2.10.0000.00717.99
8.2.00.0000.00718.13
8.1.280.0070.01025.92
8.1.270.0040.01120.38
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0100.01322.56
8.1.230.0080.00417.42
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0030.01017.35
8.1.190.0060.00317.36
8.1.180.0040.00418.10
8.1.170.0090.00018.60
8.1.160.0050.00221.95
8.1.150.0040.00418.88
8.1.140.0040.00417.43
8.1.130.0080.00017.70
8.1.120.0040.00417.50
8.1.110.0000.00717.35
8.1.100.0000.00717.45
8.1.90.0030.00517.43
8.1.80.0040.00417.46
8.1.70.0000.00717.48
8.1.60.0000.00717.61
8.1.50.0050.00317.39
8.1.40.0000.00817.46
8.1.30.0050.00317.54
8.1.20.0030.00617.66
8.1.10.0000.00717.53
8.1.00.0080.00017.50
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.30
8.0.270.0070.00017.26
8.0.260.0030.00317.23
8.0.250.0050.00216.85
8.0.240.0040.00416.88
8.0.230.0000.00716.93
8.0.220.0000.00716.89
8.0.210.0080.00016.78
8.0.200.0040.00416.91
8.0.190.0000.00916.98
8.0.180.0000.00716.92
8.0.170.0000.00816.94
8.0.160.0040.00416.85
8.0.150.0080.00016.84
8.0.140.0040.00416.82
8.0.130.0000.00513.39
8.0.120.0000.00816.86
8.0.110.0000.00716.86
8.0.100.0050.00216.73
8.0.90.0000.00716.82
8.0.80.0100.00716.77
8.0.70.0030.00616.83
8.0.60.0080.00016.80
8.0.50.0050.00216.77
8.0.30.0110.00616.92
8.0.20.0120.00717.40
8.0.10.0030.00516.86
8.0.00.0100.00916.73
7.4.330.0000.00515.08
7.4.320.0000.00616.51
7.4.300.0090.00016.50
7.4.290.0030.00516.58
7.4.280.0040.00416.46
7.4.270.0040.00416.51
7.4.260.0000.00716.38
7.4.250.0000.00716.52
7.4.240.0000.00716.54
7.4.230.0030.00316.59
7.4.220.0120.00916.61
7.4.210.0090.00616.62
7.4.200.0000.00716.39
7.4.160.0040.01416.55
7.4.150.0100.00717.40
7.4.140.0130.00817.86
7.4.130.0060.01116.46
7.4.120.0090.01116.55
7.4.110.0060.01216.61
7.4.100.0110.00716.45
7.4.90.0090.00916.66
7.4.80.0140.00619.39
7.4.70.0030.01416.55
7.4.60.0130.00316.48
7.4.50.0000.00816.39
7.4.40.0000.01616.59
7.4.30.0120.00616.45
7.4.00.0080.01014.90
7.3.330.0000.00513.14
7.3.320.0000.00513.07
7.3.310.0030.00316.38
7.3.300.0000.00616.30
7.3.290.0090.00816.34
7.3.280.0090.00916.33
7.3.270.0070.01117.40
7.3.260.0100.01016.45
7.3.250.0120.00816.47
7.3.240.0090.00916.37
7.3.230.0130.00416.52
7.3.210.0030.01416.25
7.3.200.0130.01016.33
7.3.190.0140.00316.41
7.3.180.0140.00316.47
7.3.170.0140.00716.42
7.3.160.0130.01016.36
7.3.120.0070.01215.04
7.3.110.0050.01014.98
7.3.100.0080.00614.66
7.3.90.0050.00814.56
7.3.80.0070.00514.82
7.3.70.0060.01014.77
7.3.60.0050.01014.82
7.3.50.0050.00614.82
7.3.40.0030.00914.75
7.3.30.0070.00414.71
7.3.20.0060.00516.84
7.3.10.0050.00916.58
7.3.00.0050.00816.71
7.2.330.0060.01216.37
7.2.320.0120.00616.41
7.2.310.0100.00716.66
7.2.300.0100.01316.48
7.2.290.0090.01216.69
7.2.250.0090.01014.94
7.2.240.0090.01015.05
7.2.230.0150.00314.88
7.2.220.0090.00615.02
7.2.210.0060.01115.05
7.2.200.0080.00815.05
7.2.190.0070.00715.11
7.2.180.0050.01014.93
7.2.170.0080.00615.03
7.2.60.0070.01116.73
7.2.00.0030.00619.40
7.1.330.0050.00815.50
7.1.320.0070.00815.56
7.1.310.0020.01215.76
7.1.300.0080.00715.86
7.1.290.0080.00515.79
7.1.280.0040.00715.82
7.1.270.0040.00915.65
7.1.260.0050.00815.68
7.1.200.0040.00915.74
7.1.100.0030.01318.23
7.1.70.0040.01117.34
7.1.60.0030.02020.03
7.1.50.0060.01616.62
7.1.00.0070.07322.48
7.0.200.0000.00916.84
7.0.60.0070.05020.07
7.0.50.0070.08017.85
7.0.40.0070.08720.06
7.0.30.0200.04320.10
7.0.20.0270.08320.19
7.0.10.0070.08320.13
7.0.00.0100.06020.16
5.6.280.0100.06720.76
5.6.210.0030.07720.56
5.6.200.0130.07318.13
5.6.190.0000.04320.49
5.6.180.3200.02320.27
5.6.170.0200.04020.71
5.6.160.0100.08020.38
5.6.150.0130.07018.26
5.6.140.0100.07018.09
5.6.130.0070.05318.21
5.6.120.0100.08721.12
5.6.110.0030.07320.98
5.6.100.0030.08721.04
5.6.90.0100.08321.00
5.6.80.0100.07720.52
5.6.70.4100.03720.37
5.5.350.0000.08320.40
5.5.340.0000.08017.98
5.5.330.0070.08320.21
5.5.320.0270.05020.25
5.5.310.0330.08320.21
5.5.300.0070.07717.88
5.5.290.0170.06317.95
5.5.280.0070.08020.63
5.5.270.0070.08020.86
5.5.260.0200.07320.86
5.5.250.0100.08020.55
5.5.240.0330.06720.07
5.4.450.0270.05019.48
5.4.440.0330.05019.61
5.4.430.0200.05319.51
5.4.420.0170.05719.22
5.4.410.0070.06018.95
5.4.400.0070.05719.28
5.4.390.0200.05719.16
5.4.380.0400.04319.22
5.4.370.0430.05019.25
5.4.360.0370.06018.91
5.4.350.0630.04719.08
5.4.340.0630.06018.98
5.4.320.0700.04018.79
5.4.310.0700.04719.22
5.4.300.0530.05719.29
5.4.290.0670.05019.29
5.4.280.0670.06719.21
5.4.270.0530.05719.22
5.4.260.0570.04719.28
5.4.250.0470.05018.78
5.4.240.0300.05319.20
5.4.230.0070.05718.93
5.4.220.0230.04319.21
5.4.210.0100.06318.89
5.4.200.0070.05719.28
5.4.190.0100.06019.14
5.4.180.0400.05719.21
5.4.170.0500.06018.98
5.4.160.0670.05019.12
5.4.150.0600.05319.12
5.4.140.0100.05716.09
5.4.130.0130.05016.34
5.4.120.0130.05316.11
5.4.110.0630.05316.20
5.4.100.0330.06016.53
5.4.90.0330.06016.35
5.4.80.0570.04016.37
5.4.70.0030.03316.05
5.4.60.0270.04316.37
5.4.50.0030.03716.36
5.4.40.0130.05016.38
5.4.30.0070.06716.36
5.4.20.0270.04316.40

preferences:
60.07 ms | 401 KiB | 5 Q