3v4l.org

run code in 500+ PHP versions simultaneously
<?php $string = ' * * * *String'; $a = ltrim($string, ' *'); var_dump($a); $b = preg_replace('/^\s?\*/', '', $string); var_dump($b);

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)
8.5.30.0090.00821.28
8.5.20.0070.01119.60
8.5.10.0110.00716.93
8.5.00.0130.00919.95
8.4.180.0140.00819.73
8.4.170.0140.00721.81
8.4.160.0120.00923.73
8.4.150.0080.00416.92
8.4.140.0100.01117.73
8.4.130.0130.00818.89
8.4.120.0060.00424.16
8.4.110.0040.00520.60
8.4.100.0100.00118.90
8.4.90.0110.00920.36
8.4.80.0130.00818.75
8.4.70.0110.01118.28
8.4.60.0120.00918.61
8.4.50.0160.00318.45
8.4.40.0170.00319.89
8.4.30.0060.00317.70
8.4.20.0060.00618.05
8.4.10.0040.00717.72
8.3.300.0150.00718.59
8.3.290.0100.01120.85
8.3.280.0150.00618.54
8.3.270.0110.00916.75
8.3.260.0150.00516.79
8.3.250.0130.00518.69
8.3.240.0110.00816.75
8.3.230.0100.00916.42
8.3.220.0060.00418.69
8.3.210.0110.00716.43
8.3.200.0040.00416.53
8.3.190.0090.01017.05
8.3.180.0090.00816.91
8.3.170.0130.00618.66
8.3.160.0180.00018.27
8.3.150.0040.01117.22
8.3.140.0070.00716.73
8.3.130.0060.00318.28
8.3.120.0030.00620.70
8.3.110.0090.00016.48
8.3.100.0110.00024.06
8.3.90.0090.00626.77
8.3.80.0060.00318.43
8.3.70.0120.00316.75
8.3.60.0110.00716.50
8.3.50.0070.00917.62
8.3.40.0110.00418.79
8.3.30.0040.01218.83
8.3.20.0050.00319.07
8.3.10.0000.00821.85
8.3.00.0000.00823.53
8.2.300.0040.00522.12
8.2.290.0120.00620.49
8.2.280.0030.00418.49
8.2.270.0070.01116.91
8.2.260.0030.00618.69
8.2.250.0040.00416.56
8.2.240.0090.00017.09
8.2.230.0040.00420.94
8.2.220.0030.00537.54
8.2.210.0070.00726.77
8.2.200.0060.00318.43
8.2.190.0110.01116.88
8.2.180.0030.01925.92
8.2.170.0120.00318.83
8.2.160.0110.00422.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00420.56
8.2.120.0000.00826.16
8.2.110.0080.00320.39
8.2.100.0000.01219.64
8.2.90.0080.00017.63
8.2.80.0040.00417.97
8.2.70.0080.00017.80
8.2.60.0000.00817.91
8.2.50.0030.00618.10
8.2.40.0040.00419.34
8.2.30.0020.00519.23
8.2.20.0000.00717.99
8.2.10.0030.00319.51
8.2.00.0000.00719.55
8.1.340.0120.00721.34
8.1.330.0100.00922.12
8.1.320.0110.00818.04
8.1.310.0090.00018.34
8.1.300.0070.00720.30
8.1.290.0090.00030.84
8.1.280.0000.01825.92
8.1.270.0000.00824.66
8.1.260.0030.00626.35
8.1.250.0090.00028.09
8.1.240.0050.00520.66
8.1.230.0070.00417.77
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0000.00917.48
8.1.190.0030.00517.36
8.1.180.0060.00318.10
8.1.170.0000.00918.77
8.1.160.0050.00218.84
8.1.150.0000.00718.89
8.1.140.0000.00717.84
8.1.130.0050.00218.90
8.1.120.0000.00717.57
8.1.110.0000.00717.54
8.1.100.0000.00717.56
8.1.90.0040.00417.57
8.1.80.0040.00417.49
8.1.70.0000.00817.44
8.1.60.0040.00717.56
8.1.50.0040.00417.50
8.1.40.0000.00817.48
8.1.30.0050.00317.63
8.1.20.0030.00517.70
8.1.10.0000.00717.60
8.1.00.0050.00317.56
8.0.300.0040.00418.77
8.0.290.0050.00316.63
8.0.280.0030.00318.45
8.0.270.0040.00417.12
8.0.260.0000.00817.27
8.0.250.0030.00316.93
8.0.240.0000.00717.07
8.0.230.0030.00317.07
8.0.220.0030.00316.86
8.0.210.0080.00016.98
8.0.200.0030.00317.02
8.0.190.0000.00917.03
8.0.180.0040.00417.05
8.0.170.0050.00516.91
8.0.160.0040.00417.00
8.0.150.0040.00416.82
8.0.140.0050.00216.86
8.0.130.0000.00513.43
8.0.120.0070.00016.92
8.0.110.0070.00016.89
8.0.100.0080.00016.87
8.0.90.0050.00316.94
8.0.80.0080.00716.93
8.0.70.0060.00316.96
8.0.60.0040.00416.97
8.0.50.0040.00417.07
8.0.30.0090.00917.17
8.0.20.0110.00817.40
8.0.10.0000.00717.06
8.0.00.0120.01016.85
7.4.330.0030.00315.55
7.4.320.0000.00616.62
7.4.300.0000.00616.73
7.4.290.0040.00416.66
7.4.280.0040.00416.71
7.4.270.0070.00316.66
7.4.260.0000.00716.68
7.4.250.0080.00016.62
7.4.240.0000.00816.73
7.4.230.0000.00716.48
7.4.220.0040.00416.72
7.4.210.0090.00616.67
7.4.200.0070.00016.85
7.4.160.0090.00816.55
7.4.140.0130.00617.86
7.4.130.0180.00716.67
7.4.120.0110.00716.61
7.4.110.0120.00616.64
7.4.100.0080.00916.44
7.4.90.0060.01516.52
7.4.80.0110.01119.39
7.4.70.0100.01316.60
7.4.60.0060.01216.64
7.4.50.0090.00416.66
7.4.40.0160.00616.47
7.4.00.0070.01215.09
7.3.330.0000.00613.18
7.3.320.0030.00313.20
7.3.310.0020.00516.24
7.3.300.0070.00016.36
7.3.290.0030.00316.31
7.3.280.0120.00616.25
7.3.260.0110.00716.51
7.3.240.0120.01016.42
7.3.230.0100.00716.18
7.3.210.0100.00816.55
7.3.200.0060.01616.27
7.3.190.0030.01416.52
7.3.180.0040.01216.31
7.3.170.0070.01016.27
7.3.160.0030.01616.61
7.3.120.0070.00914.95
7.3.110.0070.01014.86
7.3.100.0070.00714.65
7.3.90.0060.01014.79
7.3.80.0100.00214.90
7.3.70.0060.00514.74
7.3.60.0060.00614.91
7.3.50.0050.01114.93
7.3.40.0060.00714.73
7.3.30.0040.01114.81
7.3.20.0050.01016.77
7.3.10.0040.01116.74
7.3.00.0050.00716.65
7.2.330.0120.00616.61
7.2.320.0120.01216.66
7.2.310.0120.00616.41
7.2.300.0100.00716.52
7.2.290.0090.00916.76
7.2.250.0090.00714.92
7.2.240.0080.01015.16
7.2.230.0050.00915.06
7.2.220.0040.00714.84
7.2.210.0070.01015.00
7.2.200.0030.01415.03
7.2.190.0040.01015.11
7.2.180.0020.01214.96
7.2.170.0030.01014.93
7.2.160.0070.00315.02
7.2.150.0100.01016.58
7.2.140.0040.01416.73
7.2.130.0060.00616.78
7.2.120.0000.01416.73
7.2.110.0070.01017.00
7.2.100.0070.01116.84
7.2.90.0030.00716.99
7.2.80.0350.01215.70
7.2.70.0420.00815.87
7.2.60.0380.00815.96
7.2.50.0400.00716.02
7.2.40.0560.00915.77
7.2.30.0380.01015.93
7.2.20.0320.01115.90
7.2.10.0370.01015.80
7.2.00.0520.01016.01
7.1.330.0070.00915.77
7.1.320.0060.00616.04
7.1.310.0080.00515.74
7.1.300.0060.00615.67
7.1.290.0050.01015.68
7.1.280.0020.01215.98
7.1.270.0050.01015.83
7.1.260.0040.00715.89
7.1.250.0090.00615.98
7.1.200.0080.00415.75
7.1.190.0970.00614.04
7.1.180.0730.00313.97
7.1.170.0650.00713.72
7.1.160.0660.01013.99
7.1.150.0590.01013.82
7.1.140.0730.01013.91
7.1.130.0780.00314.13
7.1.120.0830.01013.66
7.1.110.0780.00313.86
7.1.100.1480.01013.86
7.1.90.1550.00714.11
7.1.80.1230.00314.12
7.1.70.1550.00313.82
7.1.60.1840.01932.00
7.1.50.1420.01031.97
7.1.40.1740.00931.94
7.1.30.1590.00631.93
7.1.20.1470.01032.14
7.1.10.1250.00613.99
7.1.00.1160.00614.15

preferences:
46.43 ms | 1589 KiB | 5 Q