3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '*289y34'; if ($str[0] == '*') { unset($str[0]); } echo $str;

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)
8.3.60.0070.00718.56
8.3.50.0120.00318.30
8.3.40.0110.00718.68
8.3.30.0120.00418.80
8.3.20.0050.00320.16
8.3.10.0000.00921.50
8.3.00.0030.00519.50
8.2.180.0120.00316.50
8.2.170.0150.00622.96
8.2.160.0170.00320.36
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0060.00319.23
8.2.120.0040.00426.35
8.2.110.0030.00622.24
8.2.100.0090.00317.75
8.2.90.0050.00319.27
8.2.80.0060.00317.97
8.2.70.0080.00017.50
8.2.60.0090.00017.93
8.2.50.0050.00318.07
8.2.40.0000.00819.30
8.2.30.0030.00320.59
8.2.20.0000.00817.68
8.2.10.0050.00218.05
8.2.00.0080.00018.04
8.1.280.0070.01725.92
8.1.270.0040.00423.95
8.1.260.0050.00228.09
8.1.250.0070.00028.09
8.1.240.0060.00322.06
8.1.230.0070.00417.66
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.01117.48
8.1.190.0050.00317.70
8.1.180.0080.00018.10
8.1.170.0000.00918.47
8.1.160.0040.00422.01
8.1.150.0040.00418.79
8.1.140.0040.00419.60
8.1.130.0030.00317.72
8.1.120.0040.00417.45
8.1.110.0030.00417.34
8.1.100.0040.00417.36
8.1.90.0000.00717.41
8.1.80.0000.00717.46
8.1.70.0030.00317.40
8.1.60.0030.00517.57
8.1.50.0080.00017.39
8.1.40.0050.00317.54
8.1.30.0030.00517.54
8.1.20.0000.00717.55
8.1.10.0080.00017.61
8.1.00.0070.00017.51
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.27
8.0.270.0030.00317.04
8.0.260.0000.00717.12
8.0.250.0030.00316.91
8.0.240.0030.00316.93
8.0.230.0070.00016.83
8.0.220.0030.00516.78
8.0.210.0000.00716.77
8.0.200.0040.00416.81
8.0.190.0000.00716.83
8.0.180.0030.00516.79
8.0.170.0000.00816.91
8.0.160.0000.00716.85
8.0.150.0040.00416.86
8.0.140.0040.00416.79
8.0.130.0060.00013.31
8.0.120.0000.00716.71
8.0.110.0000.00716.88
8.0.100.0070.00016.84
8.0.90.0000.00816.81
8.0.80.0140.00616.86
8.0.70.0000.00816.90
8.0.60.0000.00816.72
8.0.50.0070.00016.97
8.0.30.0140.00617.10
8.0.20.0110.01017.42
8.0.10.0070.00016.95
8.0.00.0060.01116.88
7.4.330.0040.00016.78
7.4.320.0040.00416.39
7.4.300.0000.00716.52
7.4.290.0000.00716.44
7.4.280.0000.00816.48
7.4.270.0050.00316.55
7.4.260.0000.00716.53
7.4.250.0040.00416.37
7.4.240.0040.00316.43
7.4.230.0070.00016.62
7.4.220.0120.00916.54
7.4.210.0100.00316.66
7.4.200.0000.00816.60
7.4.160.0000.01516.41
7.4.150.0090.00917.40
7.4.140.0080.01417.86
7.4.130.0060.01316.47
7.4.120.0070.00916.49
7.4.110.0090.00916.64
7.4.100.0090.01216.57
7.4.90.0110.00716.48
7.4.80.0030.01419.39
7.4.70.0070.01016.54
7.4.60.0060.01016.37
7.4.50.0060.01016.43
7.4.40.0130.00316.37
7.4.30.0100.00716.43
7.4.00.0030.01314.79
7.3.330.0050.00013.18
7.3.320.0040.00413.37
7.3.310.0000.00816.21
7.3.300.0070.00016.42
7.3.290.0050.01016.32
7.3.280.0090.00816.31
7.3.270.0140.00917.40
7.3.260.0040.01116.41
7.3.250.0050.01216.42
7.3.240.0080.00916.33
7.3.230.0090.00916.39
7.3.210.0060.00916.47
7.3.200.0040.01416.45
7.3.190.0030.01316.43
7.3.180.0100.00716.48
7.3.170.0080.00816.45
7.3.160.0120.00616.34
7.3.120.0030.01014.77
7.3.110.0070.01014.73
7.3.100.0070.00714.57
7.3.90.0040.01114.64
7.3.80.0120.00314.86
7.3.70.0030.01314.91
7.3.60.0060.01215.00
7.3.50.0080.00314.82
7.3.40.0070.00714.95
7.3.30.0100.00314.57
7.3.20.0040.01116.72
7.3.10.0110.00616.58
7.3.00.0050.01416.78
7.2.330.0100.00716.71
7.2.320.0070.01016.56
7.2.310.0110.01116.44
7.2.300.0030.01216.30
7.2.290.0120.00416.29
7.2.240.0090.00615.26
7.2.230.0080.00414.73
7.2.220.0060.00614.89
7.2.210.0040.01115.20
7.2.200.0030.01315.19
7.2.190.0080.00614.93
7.2.180.0030.01015.04
7.2.170.0100.00314.91
7.2.160.0000.01414.96
7.2.150.0030.01017.03
7.2.140.0060.01016.61
7.2.130.0040.01216.92
7.2.120.0070.01216.82
7.2.110.0120.00316.98
7.2.100.0090.01116.75
7.2.90.0080.00816.83
7.2.80.0120.00016.65
7.2.70.0090.00616.78
7.2.60.0060.00916.83
7.2.50.0130.00216.77
7.2.40.0100.00516.74
7.2.30.0040.00916.75
7.2.20.0030.01116.84
7.2.10.0030.01216.71
7.2.00.0050.00917.56
7.1.330.0070.00315.56
7.1.320.0110.00415.61
7.1.310.0120.00315.74
7.1.300.0000.01115.86
7.1.290.0030.01315.91
7.1.280.0070.01015.71
7.1.270.0050.00315.66
7.1.260.0070.00315.84
7.1.250.0070.01015.63
7.1.200.0040.00815.63
7.1.100.0070.00318.02
7.1.70.0000.01216.95
7.1.60.0110.01119.36
7.1.50.0110.01417.02
7.1.00.0070.07322.28
7.0.200.0030.00316.63
7.0.60.0130.07319.95
7.0.50.0000.08317.88
7.0.40.0070.07019.98
7.0.30.0370.05320.16
7.0.20.0200.07720.12
7.0.10.0130.08020.25
7.0.00.0070.07719.95
5.6.210.0030.06720.62
5.6.200.0030.06018.11
5.6.190.0100.04320.64
5.6.180.0300.07720.60
5.6.170.0230.07320.50
5.6.160.0000.05320.56
5.6.150.0070.08018.15
5.6.140.0130.07318.17
5.6.130.0030.04318.17
5.6.120.0100.05321.01
5.6.110.0130.07721.11
5.6.100.0070.08721.01
5.6.90.0030.06720.94
5.6.80.0100.07720.48
5.5.350.0300.08020.39
5.5.340.0100.08018.02
5.5.330.0100.04320.16
5.5.320.0230.04320.51
5.5.310.0270.04720.30
5.5.300.0100.03717.91
5.5.290.0070.08317.91
5.5.280.0070.05020.86
5.5.270.0100.06320.79
5.5.260.0070.06720.64
5.5.250.0070.04020.67
5.5.240.0330.06020.03

preferences:
49.33 ms | 400 KiB | 5 Q