3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [0]; foreach ($array as &$val) { var_dump($val); $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)
8.3.60.0000.01616.50
8.3.50.0090.00922.06
8.3.40.0070.00718.70
8.3.30.0120.00318.71
8.3.20.0000.01520.34
8.3.10.0090.00023.66
8.3.00.0000.00819.79
8.2.180.0110.00416.75
8.2.170.0070.00722.96
8.2.160.0100.00320.51
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00419.32
8.2.120.0000.00826.35
8.2.110.0060.00322.20
8.2.100.0090.00318.05
8.2.90.0050.00319.26
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0000.00718.05
8.2.50.0070.00418.07
8.2.40.0030.00622.32
8.2.30.0040.00420.54
8.2.20.0000.00717.61
8.2.10.0040.00418.04
8.2.00.0030.00518.03
8.1.280.0100.01025.92
8.1.270.0000.00820.38
8.1.260.0000.00828.09
8.1.250.0040.00428.09
8.1.240.0090.00023.97
8.1.230.0090.00317.60
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0030.00617.24
8.1.180.0000.00818.10
8.1.170.0040.00418.53
8.1.160.0050.00220.69
8.1.150.0050.00318.87
8.1.140.0040.00419.57
8.1.130.0000.00717.70
8.1.120.0080.00017.53
8.1.110.0000.00717.43
8.1.100.0030.00517.45
8.1.90.0040.00417.48
8.1.80.0000.00717.49
8.1.70.0030.00317.45
8.1.60.0060.00317.54
8.1.50.0070.00017.46
8.1.40.0080.00017.56
8.1.30.0000.00817.64
8.1.20.0000.00817.50
8.1.10.0040.00417.50
8.1.00.0070.00017.44
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.36
8.0.270.0070.00017.30
8.0.260.0030.00317.16
8.0.250.0030.00316.99
8.0.240.0040.00416.93
8.0.230.0040.00416.85
8.0.220.0040.00416.83
8.0.210.0070.00016.95
8.0.200.0030.00316.98
8.0.190.0040.00416.84
8.0.180.0080.00016.74
8.0.170.0030.00616.91
8.0.160.0050.00516.79
8.0.150.0040.00416.90
8.0.140.0000.00816.84
8.0.130.0030.00313.25
8.0.120.0040.00416.84
8.0.110.0000.00816.78
8.0.100.0040.00416.93
8.0.90.0000.00716.90
8.0.80.0130.00316.82
8.0.70.0030.00516.77
8.0.60.0000.00716.82
8.0.50.0000.00716.91
8.0.30.0080.01017.02
8.0.20.0120.00717.40
8.0.10.0040.00416.96
8.0.00.0110.00716.70
7.4.330.0000.00616.77
7.4.320.0030.00316.52
7.4.300.0060.00016.39
7.4.290.0040.00416.44
7.4.280.0070.00016.40
7.4.270.0030.00316.45
7.4.260.0030.00516.48
7.4.250.0000.00816.48
7.4.240.0030.00416.61
7.4.230.0040.00416.39
7.4.220.0070.01616.71
7.4.210.0070.00716.64
7.4.200.0040.00416.68
7.4.160.0120.00616.53
7.4.150.0150.00317.40
7.4.140.0180.00717.86
7.4.130.0160.00216.50
7.4.120.0120.00916.50
7.4.110.0030.01416.64
7.4.100.0150.00316.43
7.4.90.0110.00616.41
7.4.80.0030.02219.39
7.4.70.0140.00316.44
7.4.60.0070.01016.59
7.4.50.0000.01616.59
7.4.40.0060.01316.39
7.4.30.0090.00616.53
7.4.00.0090.00615.08
7.3.330.0030.00313.20
7.3.320.0050.00013.25
7.3.310.0000.00716.33
7.3.300.0000.00716.32
7.3.290.0110.00616.31
7.3.280.0080.00816.32
7.3.270.0110.00817.40
7.3.260.0130.01016.54
7.3.250.0110.01116.40
7.3.240.0090.00716.26
7.3.230.0090.00616.39
7.3.210.0150.00316.32
7.3.200.0180.00416.41
7.3.190.0060.01116.40
7.3.180.0090.00816.37
7.3.170.0100.00716.66
7.3.160.0060.00916.54
7.2.330.0070.01116.69
7.2.320.0070.01416.44
7.2.310.0060.01516.37
7.2.300.0130.00416.61
7.2.290.0150.00916.66
7.2.60.0310.00916.77
7.2.00.0040.01119.26
7.1.200.0060.00615.77
7.1.100.0040.00818.17
7.1.70.0070.00217.16
7.1.60.0080.00319.52
7.1.50.0090.01316.80
7.1.00.0030.07322.32
7.0.200.0030.00716.87
7.0.60.0070.04720.03
7.0.50.0070.05017.87
7.0.40.0230.07020.25
7.0.30.0330.07720.13
7.0.20.0230.08320.09
7.0.10.0070.04320.04
7.0.00.0170.08019.95
5.6.280.0030.03021.07
5.6.210.0100.08020.50
5.6.200.0030.07718.09
5.6.190.0100.08020.45
5.6.180.0300.07020.77
5.6.170.0270.04720.62
5.6.160.0070.04720.44
5.6.150.0070.05018.18
5.6.140.0030.08318.18
5.6.130.0100.05018.12
5.6.120.0070.05321.14
5.6.110.0070.07020.99
5.6.100.0070.05721.09
5.6.90.0130.05721.01
5.6.80.0070.05320.43
5.5.350.0270.07020.43
5.5.340.0070.04317.91
5.5.330.0030.05720.34
5.5.320.0530.08020.32
5.5.310.0270.03720.12
5.5.300.0030.04017.91
5.5.290.0030.04017.91
5.5.280.0130.04320.67
5.5.270.0070.06020.87
5.5.260.0100.05020.76
5.5.250.0130.07720.70
5.5.240.0330.07320.18

preferences:
37.58 ms | 401 KiB | 5 Q