3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = ' The quick brown fox jumped over the lazy dog.'; $patterns = array(); $patterns[0] = x; $replacements = array(); $replacements[0] = ''; echo preg_replace('/^\s*/', '', $string); ?>

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)
8.3.60.0120.00318.33
8.3.50.0130.00722.00
8.3.40.0110.00419.02
8.3.30.0070.00718.81
8.3.20.0050.00220.46
8.3.10.0000.00721.95
8.3.00.0060.00319.19
8.2.180.0180.00418.34
8.2.170.0070.01422.96
8.2.160.0120.00822.26
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.95
8.2.110.0060.00322.08
8.2.100.0070.00417.63
8.2.90.0030.00619.13
8.2.80.0030.00617.97
8.2.70.0040.00417.50
8.2.60.0000.00818.05
8.2.50.0030.00618.07
8.2.40.0040.00418.03
8.2.30.0000.00818.07
8.2.20.0030.00517.63
8.2.10.0000.00718.03
8.2.00.0040.00417.81
8.1.280.0150.00025.92
8.1.270.0000.00918.93
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.98
8.1.230.0100.00019.15
8.1.220.0050.00317.79
8.1.210.0000.00818.77
8.1.200.0040.00817.35
8.1.190.0040.00417.35
8.1.180.0000.00918.10
8.1.170.0030.00620.43
8.1.160.0040.00421.93
8.1.150.0000.00718.89
8.1.140.0040.00417.42
8.1.130.0030.00317.74
8.1.120.0000.00717.43
8.1.110.0000.00917.47
8.1.100.0000.00717.51
8.1.90.0000.00717.50
8.1.80.0040.00417.46
8.1.70.0000.00717.42
8.1.60.0030.00617.54
8.1.50.0040.00417.43
8.1.40.0080.00017.50
8.1.30.0080.00017.55
8.1.20.0000.00717.58
8.1.10.0040.00417.52
8.1.00.0040.00417.43
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0000.00718.45
8.0.270.0000.00717.17
8.0.260.0000.00817.25
8.0.250.0070.00017.05
8.0.240.0030.00317.06
8.0.230.0030.00317.05
8.0.220.0030.00316.98
8.0.210.0020.00516.84
8.0.200.0040.00417.01
8.0.190.0030.00317.02
8.0.180.0000.00717.00
8.0.170.0040.00417.02
8.0.160.0030.00316.90
8.0.150.0030.00316.89
8.0.140.0000.00716.94
8.0.130.0000.00613.33
8.0.120.0080.00016.80
8.0.110.0040.00416.86
8.0.100.0070.00016.98
8.0.90.0040.00417.00
8.0.80.0180.00317.02
8.0.70.0040.00416.88
8.0.60.0000.00716.93
8.0.50.0070.00016.96
8.0.30.0100.01317.11
8.0.20.0100.01017.40
8.0.10.0050.00217.14
8.0.00.0090.01116.93
7.4.330.0030.00315.03
7.4.320.0030.00316.81
7.4.300.0000.00716.82
7.4.290.0050.00216.80
7.4.280.0040.00416.72
7.4.270.0030.00316.73
7.4.260.0030.00316.70
7.4.250.0070.00316.73
7.4.240.0030.00316.72
7.4.230.0000.00716.56
7.4.220.0070.02016.87
7.4.210.0060.01216.79
7.4.200.0000.00916.56
7.4.160.0160.00016.75
7.4.150.0070.01117.40
7.4.140.0060.01517.86
7.4.130.0110.00616.73
7.4.120.0070.00916.85
7.4.110.0130.01016.85
7.4.100.0230.01316.79
7.4.90.0030.01516.79
7.4.80.0000.01716.67
7.4.70.0120.00316.70
7.4.60.0110.00716.78
7.4.50.0040.00416.76
7.4.40.0020.01816.63
7.4.30.0150.00816.73
7.4.00.0070.00715.19
7.3.330.0050.00013.16
7.3.320.0040.01113.35
7.3.310.0040.00416.24
7.3.300.0040.00416.23
7.3.290.0060.00016.37
7.3.280.0100.00816.43
7.3.270.0030.01617.40
7.3.260.0100.01316.50
7.3.250.0110.00816.59
7.3.240.0070.01116.54
7.3.230.0070.02416.70
7.3.210.0070.01116.80
7.3.200.0040.01719.39
7.3.190.0090.00916.66
7.3.180.0090.01316.46
7.3.170.0060.01016.45
7.3.160.0140.00316.65
7.3.10.0070.00716.33
7.3.00.0040.00816.77
7.2.330.0190.00316.68
7.2.320.0040.01316.81
7.2.310.0040.01516.71
7.2.300.0030.01316.85
7.2.290.0090.01216.69
7.2.130.0120.00417.09
7.2.120.0070.01016.73
7.2.110.0100.00316.58
7.2.100.0060.01216.63
7.2.90.0090.00916.44
7.2.80.0050.01316.97
7.2.70.0000.01916.80
7.2.60.0030.01316.75
7.2.50.0040.01416.85
7.2.40.0040.01017.04
7.2.30.0090.00616.68
7.2.20.0050.01016.79
7.2.10.0110.00716.96
7.2.00.0060.00818.18
7.1.250.0040.00815.71
7.1.200.0060.00616.07
7.1.100.0030.01017.93
7.1.70.0000.00817.21
7.1.60.0140.01419.46
7.1.50.0060.00917.04
7.1.00.0070.07322.52
7.0.200.0130.00715.17
7.0.140.0000.04722.05
7.0.60.0070.03719.99
7.0.50.0130.06717.84
7.0.40.0070.06020.09
7.0.30.0370.07020.02
7.0.20.0300.08320.14
7.0.10.0070.05720.19
7.0.00.0030.09320.05
5.6.280.0070.07021.07
5.6.210.0000.04320.52
5.6.200.0100.07718.08
5.6.190.0100.08320.63
5.6.180.0500.07020.64
5.6.170.0130.04720.51
5.6.160.0030.05720.52
5.6.150.0030.08318.09
5.6.140.0070.04018.13
5.6.130.0070.05018.17
5.6.120.0030.07321.01
5.6.110.0100.08321.13
5.6.100.0030.09021.03
5.6.90.0030.08020.99
5.6.80.0130.06320.41
5.5.350.0330.07720.41
5.5.340.0000.04317.91
5.5.330.0070.04320.07
5.5.320.0070.07320.28
5.5.310.0330.05720.24
5.5.300.0070.08317.91
5.5.290.0070.06317.96
5.5.280.0070.04020.73
5.5.270.0070.08720.72
5.5.260.0030.08320.83
5.5.250.0070.04320.68
5.5.240.0130.04020.14
5.4.450.0570.05719.13
5.4.440.1070.06019.64
5.4.430.0730.06319.59
5.4.420.1270.06719.24
5.4.410.1130.04719.35
5.4.400.1030.07019.21
5.4.390.0200.06718.68
5.4.380.0200.05318.48
5.4.370.0170.05018.66
5.4.360.0230.05718.62
5.4.350.0170.06318.72
5.4.340.0200.05018.70
5.4.320.0130.06018.64
5.4.310.0130.05318.45
5.4.300.0200.05318.65
5.4.290.0130.05318.72
5.4.280.0270.04318.54
5.4.270.0070.06318.48
5.4.260.0170.05318.61
5.4.250.0070.06718.48
5.4.240.0230.04318.71
5.4.230.0200.04318.65
5.4.220.0200.07018.65
5.4.210.0200.04718.55
5.4.200.0070.06016.50
5.4.190.0130.05318.54
5.4.180.0200.04718.49
5.4.170.0130.05718.64
5.4.160.0100.08018.49
5.4.150.0270.06018.64
5.4.140.0170.04716.11
5.4.130.0100.06016.36
5.4.120.0170.04716.32
5.4.110.0030.05716.22
5.4.100.0070.05716.26
5.4.90.0100.05316.22
5.4.80.0130.04716.19
5.4.70.0070.05316.16
5.4.60.0130.05016.18
5.4.50.0100.05016.21
5.4.40.0030.05716.12
5.4.30.0100.05316.31
5.4.20.0200.04316.04
5.4.10.0170.04316.13
5.4.00.0100.05015.76
5.3.290.0170.05714.66
5.3.280.0070.05714.48
5.3.270.0230.04314.58
5.3.260.0170.05014.56
5.3.250.0070.05714.51
5.3.240.0130.05014.53
5.3.230.0230.04714.51
5.3.220.0130.07014.64
5.3.210.0100.05714.54
5.3.200.0130.05014.49
5.3.190.0070.05714.62
5.3.180.0070.05714.66
5.3.170.0070.05714.45
5.3.160.0100.05314.45
5.3.150.0100.05314.49
5.3.140.0030.06314.52
5.3.130.0130.05714.64
5.3.120.0130.05014.48
5.3.110.0100.06014.64
5.3.100.0170.07014.13
5.3.90.0170.07014.11
5.3.80.0270.05314.05
5.3.70.0200.04314.00
5.3.60.0170.06313.99
5.3.50.0270.04313.93
5.3.40.0170.06314.02
5.3.30.0130.04713.85
5.3.20.0130.05013.69
5.3.10.0130.05313.65
5.3.00.0070.05313.62
5.2.170.0100.04311.11
5.2.160.0100.05011.30
5.2.150.0170.03711.30
5.2.140.0070.04311.19
5.2.130.0130.05711.15
5.2.120.0130.04011.06
5.2.110.0200.03311.14
5.2.100.0100.04711.09
5.2.90.0170.04011.04
5.2.80.0130.04011.03
5.2.70.0100.04711.08
5.2.60.0170.05011.20
5.2.50.0100.04311.06
5.2.40.0070.05011.04
5.2.30.0100.06711.11
5.2.20.0000.05011.00
5.2.10.0100.05310.83
5.2.00.0100.05710.85
5.1.60.0130.0279.98
5.1.50.0030.0409.98
5.1.40.0070.03710.04
5.1.30.0130.03710.32
5.1.20.0030.04310.45
5.1.10.0100.03310.04
5.1.00.0070.03710.08
5.0.50.0070.0308.67
5.0.40.0030.0308.47
5.0.30.0170.0438.24
5.0.20.0000.0408.19
5.0.10.0070.0378.34
5.0.00.0130.0438.23
4.4.90.0030.0306.97
4.4.80.0130.0176.97
4.4.70.0030.0236.97
4.4.60.0030.0306.97
4.4.50.0130.0236.97
4.4.40.0070.0436.97
4.4.30.0070.0276.97
4.4.20.0100.0276.97
4.4.10.0000.0336.97
4.4.00.0000.0406.97
4.3.110.0070.0206.97
4.3.100.0070.0206.97
4.3.90.0030.0206.97
4.3.80.0130.0306.97
4.3.70.0100.0136.97
4.3.60.0000.0276.97
4.3.50.0070.0276.97
4.3.40.0030.0376.97
4.3.30.0030.0206.97
4.3.20.0030.0206.97
4.3.10.0030.0206.97
4.3.00.0300.03314.42

preferences:
60.25 ms | 401 KiB | 5 Q