3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [0]; foreach ($array as &$value) { var_dump($value); $array[1] = 1; }

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)
8.3.60.0070.01116.38
8.3.50.0130.00522.11
8.3.40.0040.01118.71
8.3.30.0040.01118.89
8.3.20.0130.00620.25
8.3.10.0080.00023.67
8.3.00.0060.00319.38
8.2.180.0140.00716.38
8.2.170.0070.00722.96
8.2.160.0100.00719.50
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00017.50
8.2.120.0070.00026.35
8.2.110.0060.00319.27
8.2.100.0040.00817.74
8.2.90.0060.00319.21
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0030.01017.93
8.2.50.0080.00018.07
8.2.40.0040.00419.30
8.2.30.0020.00520.54
8.2.20.0030.00517.65
8.2.10.0030.00518.02
8.2.00.0030.00618.14
8.1.280.0110.00425.92
8.1.270.0040.00723.92
8.1.260.0060.00328.09
8.1.250.0040.00428.09
8.1.240.0090.00019.17
8.1.230.0090.00319.00
8.1.220.0050.00317.78
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0000.00817.36
8.1.180.0000.00718.10
8.1.170.0070.00020.07
8.1.160.0000.00721.97
8.1.150.0000.00718.95
8.1.140.0000.00817.48
8.1.130.0000.00817.67
8.1.120.0070.00017.48
8.1.110.0000.00717.36
8.1.100.0080.00017.46
8.1.90.0040.00417.35
8.1.80.0050.00317.43
8.1.70.0000.00717.32
8.1.60.0030.00617.46
8.1.50.0050.00317.46
8.1.40.0040.00417.52
8.1.30.0090.00317.52
8.1.20.0000.00717.45
8.1.10.0040.00417.40
8.1.00.0040.00417.44
8.0.300.0080.00018.77
8.0.290.0000.00716.63
8.0.280.0000.00718.42
8.0.270.0030.00316.68
8.0.260.0000.00617.17
8.0.250.0040.00416.95
8.0.240.0030.00316.82
8.0.230.0040.00416.96
8.0.220.0080.00016.88
8.0.210.0070.00016.91
8.0.200.0000.00816.91
8.0.190.0000.00816.98
8.0.180.0000.00816.87
8.0.170.0050.00316.83
8.0.160.0000.00716.95
8.0.150.0000.00716.70
8.0.140.0040.00416.85
8.0.130.0000.00513.32
8.0.120.0050.00316.94
8.0.110.0000.00716.91
8.0.100.0040.00416.84
8.0.90.0040.00416.77
8.0.80.0030.01316.77
8.0.70.0040.00416.84
8.0.60.0070.00016.83
8.0.50.0040.00416.89
8.0.30.0110.00817.00
8.0.20.0100.01117.40
8.0.10.0040.00416.86
8.0.00.0030.01416.78
7.4.330.0000.00715.08
7.4.320.0050.00216.62
7.4.300.0070.00016.40
7.4.290.0000.00716.59
7.4.280.0030.00516.49
7.4.270.0070.00016.47
7.4.260.0030.00316.52
7.4.250.0040.00416.60
7.4.240.0020.00616.53
7.4.230.0070.00016.67
7.4.220.0060.01916.62
7.4.210.0070.00716.37
7.4.200.0040.00416.70
7.4.160.0090.00916.41
7.4.150.0130.00417.40
7.4.140.0090.00917.86
7.4.130.0070.01116.51
7.4.120.0100.00716.46
7.4.110.0100.00716.30
7.4.100.0200.00316.48
7.4.90.0130.00716.47
7.4.80.0030.01319.39
7.4.70.0120.00916.39
7.4.60.0120.00316.51
7.4.50.0120.00316.39
7.4.40.0140.00316.57
7.4.30.0120.00416.71
7.4.00.0090.00615.14
7.3.330.0030.00313.13
7.3.320.0050.00013.31
7.3.310.0030.00316.40
7.3.300.0030.00316.33
7.3.290.0070.00716.29
7.3.280.0070.01016.35
7.3.270.0130.00317.40
7.3.260.0090.00916.49
7.3.250.0140.00816.31
7.3.240.0090.01116.39
7.3.230.0120.00616.61
7.3.210.0070.01016.42
7.3.200.0100.00616.36
7.3.190.0000.01616.38
7.3.180.0090.00616.38
7.3.170.0070.01416.46
7.3.160.0080.00816.33
7.2.330.0090.00916.71
7.2.320.0070.01716.65
7.2.310.0070.01016.39
7.2.300.0100.00716.57
7.2.290.0040.01516.74
7.2.60.0000.01516.75
7.2.00.0070.00719.25
7.1.200.0030.01015.98
7.1.100.0000.01218.11
7.1.70.0000.00917.21
7.1.60.0100.01019.48
7.1.50.0090.01216.95
7.1.00.0030.07722.46
7.0.200.0440.00714.74
7.0.70.0070.06021.66
7.0.60.0030.04321.75
7.0.50.0030.04322.13
7.0.40.0070.03720.14
7.0.30.0030.06320.18
7.0.20.0000.04319.95
7.0.10.0000.04720.09
7.0.00.0030.04320.10
5.6.280.0030.05720.90
5.6.220.0070.05720.64
5.6.210.0000.06020.64
5.6.200.0000.04721.02
5.6.190.0130.03321.04
5.6.180.0000.04320.91
5.6.170.0000.04320.95
5.6.160.0030.04021.11
5.6.150.0070.04021.03
5.6.140.0030.04020.95
5.6.130.0000.04321.11
5.6.120.0030.04721.06
5.6.110.0070.06020.93
5.6.100.0000.04321.04
5.6.90.0070.04020.91
5.6.80.0000.05020.42
5.6.70.0000.05020.29
5.6.60.0070.07720.43
5.6.50.0070.08020.45
5.6.40.0070.08020.46
5.6.30.0030.06020.40
5.6.20.0100.08020.52
5.6.10.0000.08320.46
5.6.00.0000.05020.40
5.5.360.0030.04020.39
5.5.350.0100.03320.45
5.5.340.0070.08020.87
5.5.330.0030.05320.91
5.5.320.0030.06020.93
5.5.310.0030.03720.75
5.5.300.0000.07320.87
5.5.290.0030.04320.87
5.5.280.0000.04320.87
5.5.270.0070.05720.74
5.5.260.0000.05320.91
5.5.250.0100.03720.45
5.5.240.0000.04020.27
5.5.230.0000.04020.13
5.5.220.0070.08020.20
5.5.210.0000.04020.18
5.5.200.0030.07020.24
5.5.190.0100.08020.14
5.5.180.0000.08020.18
5.5.160.0030.07720.12
5.5.150.0000.08020.22
5.5.140.0030.06720.21
5.5.130.0100.07720.10
5.5.120.0070.05719.98
5.5.110.0070.08019.98
5.5.100.0030.08320.08
5.5.90.0030.06320.16
5.5.80.0070.07719.98
5.5.70.0130.07719.93
5.5.60.0030.07319.93
5.5.50.0100.07720.13
5.5.40.0100.07319.99
5.5.30.0000.07720.07
5.5.20.0000.05720.03
5.5.10.0030.08319.96
5.5.00.0030.07020.00

preferences:
54.89 ms | 401 KiB | 5 Q