3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3]; foreach($a as $v) {echo "$v\n"; unset($a[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)
8.3.60.0070.01416.35
8.3.50.0140.00822.11
8.3.40.0090.00618.47
8.3.30.0060.00918.47
8.3.20.0120.00320.20
8.3.10.0040.00421.91
8.3.00.0000.00919.38
8.2.180.0090.00618.29
8.2.170.0060.00922.96
8.2.160.0000.01420.39
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0090.00017.47
8.2.120.0090.00026.35
8.2.110.0060.01022.06
8.2.100.0110.00018.34
8.2.90.0040.00419.18
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0030.00518.04
8.2.50.0000.00818.07
8.2.40.0000.00719.38
8.2.30.0050.00220.73
8.2.20.0050.00317.73
8.2.10.0000.00718.00
8.2.00.0040.00418.04
8.1.280.0060.00925.92
8.1.270.0080.00023.84
8.1.260.0070.00028.09
8.1.250.0070.00028.09
8.1.240.0000.00923.76
8.1.230.0090.00319.15
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0070.00417.10
8.1.180.0000.00818.10
8.1.170.0080.00018.62
8.1.160.0040.00422.12
8.1.150.0030.00618.77
8.1.140.0060.00319.50
8.1.130.0030.00317.61
8.1.120.0050.00217.51
8.1.110.0040.00317.46
8.1.100.0000.00717.46
8.1.90.0040.00417.42
8.1.80.0000.00717.52
8.1.70.0040.00417.49
8.1.60.0000.00717.50
8.1.50.0040.00417.42
8.1.40.0060.00317.56
8.1.30.0030.00617.70
8.1.20.0040.00417.67
8.1.10.0040.00417.50
8.1.00.0040.00717.54
8.0.300.0000.00818.77
8.0.290.0030.00616.63
8.0.280.0030.00318.50
8.0.270.0000.00817.29
8.0.260.0050.00317.32
8.0.250.0030.00316.92
8.0.240.0040.00416.93
8.0.230.0060.00016.95
8.0.220.0050.00316.77
8.0.210.0000.00716.80
8.0.200.0060.00017.00
8.0.190.0040.00416.89
8.0.180.0000.00716.91
8.0.170.0040.00417.01
8.0.160.0040.00416.92
8.0.150.0060.00316.89
8.0.140.0030.00316.73
8.0.130.0090.00013.27
8.0.120.0050.00316.76
8.0.110.0000.00816.80
8.0.100.0040.00416.87
8.0.90.0000.00716.72
8.0.80.0030.01216.93
8.0.70.0070.00016.77
8.0.60.0080.00016.84
8.0.50.0030.00516.85
8.0.30.0120.00817.30
8.0.20.0080.01017.40
8.0.10.0040.00417.13
8.0.00.0090.00816.84
7.4.330.0000.00516.81
7.4.320.0000.00616.40
7.4.300.0030.00316.57
7.4.290.0060.00016.59
7.4.280.0070.00016.51
7.4.270.0070.00016.58
7.4.260.0030.00316.63
7.4.250.0030.00316.54
7.4.240.0070.00016.52
7.4.230.0070.00016.70
7.4.220.0240.00316.63
7.4.210.0080.00716.70
7.4.200.0000.00716.63
7.4.160.0170.00316.38
7.4.150.0030.01417.40
7.4.140.0070.01317.86
7.4.130.0080.00816.46
7.4.120.0110.00816.51
7.4.110.0120.00616.36
7.4.100.0100.01016.50
7.4.90.0080.00816.40
7.4.80.0080.00819.39
7.4.70.0110.00616.31
7.4.60.0120.00416.50
7.4.50.0000.01516.44
7.4.40.0090.01216.63
7.4.30.0090.01316.50
7.4.00.0070.00714.89
7.3.330.0000.00613.07
7.3.320.0030.00313.00
7.3.310.0040.00416.27
7.3.300.0000.00716.15
7.3.290.0030.01116.31
7.3.280.0090.00816.25
7.3.270.0100.00717.40
7.3.260.0100.00616.41
7.3.250.0130.00516.33
7.3.240.0060.01016.47
7.3.230.0030.01316.50
7.3.210.0130.00316.61
7.3.200.0090.00916.66
7.3.190.0100.01016.45
7.3.180.0090.00616.47
7.3.170.0120.00416.43
7.3.160.0130.01016.54
7.3.10.0030.01016.80
7.3.00.0110.00316.61
7.2.330.0130.00616.36
7.2.320.0070.01316.66
7.2.310.0040.01116.66
7.2.300.0180.00316.51
7.2.290.0080.01516.68
7.2.130.0070.00316.91
7.2.120.0070.01016.65
7.2.110.0070.00316.70
7.2.100.0030.00916.58
7.2.90.0060.00616.86
7.2.80.0070.00416.80
7.2.70.0040.01116.81
7.2.60.0070.00716.69
7.2.50.0100.00316.84
7.2.40.0040.00416.93
7.2.30.0000.01317.02
7.2.20.0070.01016.95
7.2.10.0110.00317.13
7.2.00.0030.00818.02
7.1.250.0040.00415.73
7.1.100.0040.00818.16
7.1.70.0040.00417.14
7.1.60.0070.00317.12
7.1.50.0000.01116.77
7.1.40.0060.01316.55
7.1.30.0060.00616.74
7.1.20.0030.00916.53
7.1.10.0040.00416.49
7.1.00.0030.01716.68
7.0.200.0030.00316.75
7.0.190.0020.00516.58
7.0.180.0000.00716.41
7.0.170.0050.00516.09
7.0.160.0000.00716.02
7.0.150.0000.00816.36
7.0.140.0030.00516.28
7.0.130.0030.00716.45
7.0.120.0030.01016.64
7.0.110.0060.00916.28
7.0.100.0030.00616.32
7.0.90.0050.00216.39
7.0.80.0000.01116.43
7.0.70.0030.01416.22
7.0.60.0050.00216.16
7.0.50.0050.00316.27
7.0.40.0000.00714.67
7.0.30.0070.00014.67
7.0.20.0000.00814.67
7.0.10.0000.01014.67
7.0.00.0000.00714.67
5.6.300.0000.04520.75
5.6.290.0030.04820.82
5.6.280.0000.04220.83
5.6.270.0000.04821.00
5.6.260.0030.04420.97
5.6.250.0030.04120.87
5.6.240.0070.04020.85
5.6.230.0190.03820.94
5.6.220.0030.04320.82
5.6.210.0070.07020.92
5.6.200.0030.04320.79
5.6.190.0000.04620.88
5.6.180.0030.04020.79
5.6.170.0060.03820.75
5.6.160.0000.04720.78
5.6.150.0130.03120.78
5.6.140.0000.05120.92
5.6.130.0130.03220.87
5.6.120.0100.06020.96
5.6.110.0100.04220.73
5.6.100.0070.04620.75
5.6.90.0000.06920.82
5.6.80.0130.03220.30
5.6.70.0030.07920.25
5.6.60.0030.04520.20
5.6.50.0030.04720.17
5.6.40.0030.04220.30
5.6.30.0000.04520.15
5.6.20.0070.04320.08
5.6.10.0070.04720.32
5.6.00.0070.04020.12
5.5.380.0000.04617.39
5.5.370.0060.03617.56
5.5.360.0030.05017.55
5.5.350.0100.03417.57
5.5.340.0030.04217.92
5.5.330.0070.04317.96
5.5.320.0000.04718.05
5.5.310.0000.04718.02
5.5.300.0090.03417.84
5.5.290.0030.04017.99
5.5.280.0000.04417.82
5.5.270.0000.04717.90
5.5.260.0070.03817.98
5.5.250.0000.05517.63
5.5.240.0070.07317.34
5.5.230.0030.04717.43
5.5.220.0160.04617.38
5.5.210.0000.04117.07
5.5.200.0030.03817.26
5.5.190.0000.04617.34
5.5.180.0060.03917.17
5.5.160.0070.07717.08
5.5.150.0100.04617.02
5.5.140.0000.05017.27
5.5.130.0070.03917.27
5.5.120.0000.04117.04
5.5.110.0100.03017.33
5.5.100.0230.03217.11
5.5.90.0030.03617.24
5.5.80.0000.04517.23
5.5.70.0000.04017.26
5.5.60.0000.05217.27
5.5.50.0000.04917.29
5.5.40.0030.03717.13
5.5.30.0030.04117.22
5.5.20.0030.05217.29
5.5.10.0000.07217.22
5.5.00.0030.05617.16

preferences:
43.04 ms | 401 KiB | 5 Q