3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = preg_replace('/b.*b/', '', 'baab' . str_repeat('a', 100024)); var_dump(strlen($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)
8.3.60.0060.01218.55
8.3.50.0050.01221.98
8.3.40.0070.00719.14
8.3.30.0040.01118.92
8.3.20.0100.00618.91
8.3.10.0060.01020.52
8.3.00.0040.01123.69
8.2.180.0170.00316.75
8.2.170.0090.00622.96
8.2.160.0100.00322.30
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0030.00626.16
8.2.120.0030.00619.96
8.2.110.0070.00321.03
8.2.100.0090.00318.12
8.2.90.0030.00519.46
8.2.80.0030.00518.18
8.2.70.0030.00618.13
8.2.60.0000.00818.05
8.2.50.0030.00518.18
8.2.40.0100.00018.39
8.2.30.0050.00219.98
8.2.20.0050.00317.95
8.2.10.0030.00517.98
8.2.00.0030.00617.89
8.1.280.0000.01525.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0030.00622.54
8.1.230.0030.00821.22
8.1.220.0040.00418.77
8.1.210.0030.00519.08
8.1.200.0050.00517.72
8.1.190.0040.00417.76
8.1.180.0080.00018.10
8.1.170.0040.00418.91
8.1.160.0030.00519.09
8.1.150.0050.00218.90
8.1.140.0000.00817.63
8.1.130.0040.00417.95
8.1.120.0000.00717.63
8.1.110.0050.00317.68
8.1.100.0030.00617.67
8.1.90.0050.00317.78
8.1.80.0070.00017.74
8.1.70.0040.00417.63
8.1.60.0040.00417.88
8.1.50.0000.00817.80
8.1.40.0040.00417.80
8.1.30.0050.00317.89
8.1.20.0050.00317.89
8.1.10.0050.00217.85
8.1.00.0030.00517.63
8.0.300.0040.00420.33
8.0.290.0070.00017.00
8.0.280.0000.00818.71
8.0.270.0000.00717.40
8.0.260.0030.00317.15
8.0.250.0040.00417.35
8.0.240.0000.00817.18
8.0.230.0040.00417.18
8.0.220.0040.00417.09
8.0.210.0000.00817.13
8.0.200.0050.00317.28
8.0.190.0030.00517.30
8.0.180.0040.00417.27
8.0.170.0050.00317.09
8.0.160.0000.00717.19
8.0.150.0000.01117.25
8.0.140.0060.00317.16
8.0.130.0030.00313.72
8.0.120.0020.00517.14
8.0.110.0050.00217.11
8.0.100.0040.00417.11
8.0.90.0000.00917.12
8.0.80.0000.01417.15
8.0.70.0000.00717.13
8.0.60.0030.00517.23
8.0.50.0000.00717.05
8.0.30.0100.01017.25
8.0.20.0060.01217.43
8.0.10.0040.00417.16
8.0.00.0130.00816.94
7.4.330.0050.00014.88
7.4.320.0000.00716.91
7.4.300.0060.00016.86
7.4.290.0000.00716.95
7.4.280.0000.00816.85
7.4.270.0030.00516.81
7.4.260.0030.00313.61
7.4.250.0060.00316.73
7.4.240.0000.00816.86
7.4.230.0000.00716.64
7.4.220.0150.00916.93
7.4.210.0090.00616.97
7.4.200.0070.00017.03
7.4.190.0040.00417.08
7.4.160.0070.01417.00
7.4.150.0090.00917.40
7.4.140.0130.00517.86
7.4.130.0060.01116.80
7.4.120.0050.01316.87
7.4.110.0060.01217.09
7.4.100.0120.00616.88
7.4.90.0030.02116.74
7.4.80.0030.01719.04
7.4.70.0060.01616.73
7.4.60.0070.01316.94
7.4.50.0030.00316.63
7.4.40.0000.01122.27
7.4.30.0030.01416.85
7.4.00.0120.00515.21
7.3.330.0030.00313.27
7.3.320.0000.00513.47
7.3.310.0020.00516.67
7.3.300.0000.00716.50
7.3.290.0000.01316.60
7.3.280.0050.01416.57
7.3.270.0150.00417.40
7.3.260.0090.00918.24
7.3.250.0170.00716.81
7.3.240.0130.00316.88
7.3.230.0110.00816.89
7.3.210.0100.00716.72
7.3.200.0150.00619.39
7.3.190.0080.01116.64
7.3.180.0070.01016.59
7.3.170.0100.00716.82
7.3.160.0070.01116.67
7.3.120.0050.00915.14
7.3.110.0070.00715.04
7.3.100.0000.01315.09
7.3.90.0070.00414.83
7.3.80.0060.00615.31
7.3.70.0060.01014.86
7.3.60.0120.00015.06
7.3.50.0070.00715.09
7.3.40.0090.00315.28
7.3.30.0030.01015.05
7.3.20.0070.00716.92
7.3.10.0080.00416.90
7.3.00.0060.00316.93
7.2.330.0090.00917.02
7.2.320.0150.00316.91
7.2.310.0110.00717.05
7.2.300.0070.01016.77
7.2.290.0130.00317.07
7.2.250.0000.01715.48
7.2.240.0030.01415.34
7.2.230.0140.00315.41
7.2.220.0070.00715.39
7.2.210.0090.00615.46
7.2.200.0030.00915.44
7.2.190.0040.00715.27
7.2.180.0040.01115.53
7.2.170.0090.00615.40
7.2.00.0030.01119.55
7.1.330.0030.01216.07
7.1.320.0040.01116.11
7.1.310.0060.00315.79
7.1.300.0060.00316.04
7.1.290.0060.01016.10
7.1.280.0030.00715.67
7.1.270.0100.00315.78
7.1.260.0040.00416.11
7.1.100.0060.00618.28
7.1.70.0000.00717.05
7.1.60.0210.00717.33
7.1.50.0030.00917.07
7.1.00.0030.07722.38
7.0.200.0060.01016.61
7.0.140.0000.07322.00
7.0.60.0070.07720.19
7.0.50.0130.07318.00
7.0.40.0170.05720.00
7.0.30.0270.04320.19
7.0.20.0400.06320.06
7.0.10.0130.08320.20
7.0.00.0070.08020.18
5.6.280.0070.07021.32
5.6.210.0070.07320.87
5.6.200.0070.08018.36
5.6.190.0130.04020.54
5.6.180.3670.04720.73
5.6.170.0200.04320.71
5.6.160.0030.06720.67
5.6.150.0070.08018.41
5.6.140.0170.03018.38
5.6.130.0030.09018.36
5.6.120.0030.05321.32
5.6.110.0070.05021.28
5.6.100.0070.08321.39
5.6.90.0000.04721.19
5.6.80.0070.06720.65
5.5.350.0200.03320.71
5.5.340.0000.05318.13
5.5.330.0130.07320.40
5.5.320.0130.05020.14
5.5.310.0300.06720.37
5.5.300.0070.06017.98
5.5.290.0070.05318.10
5.5.280.0030.05721.05
5.5.270.0100.04021.04
5.5.260.0200.07720.99
5.5.250.0000.04320.96
5.5.240.0000.06320.43
5.4.450.2870.04019.53
5.4.440.2530.04719.43
5.4.430.3730.04719.73
5.4.420.3270.03719.52
5.4.410.3930.04319.39
5.4.400.3230.04019.26
5.4.390.3170.03719.05
5.4.380.3400.03719.20
5.4.370.3470.03719.34
5.4.360.2900.03319.04
5.4.350.3330.04018.95
5.4.340.3230.04318.99
5.4.320.3400.04319.43
5.4.310.3430.03719.20
5.4.300.4370.03719.42
5.4.290.4130.04019.20
5.4.280.3000.03719.04
5.4.270.2630.04019.21
5.4.260.3100.03319.20
5.4.250.3400.04319.25
5.4.240.3230.04019.23
5.4.230.2900.04019.42
5.4.220.3230.04318.96
5.4.210.3500.03718.98
5.4.200.3400.03719.37
5.4.190.3570.03719.09
5.4.180.2870.04319.38
5.4.170.3670.03718.96
5.4.160.3600.04318.91
5.4.150.3330.04319.39
5.4.140.3070.04016.66
5.4.130.3400.04016.46
5.4.120.3170.02716.64
5.4.110.3570.04316.63
5.4.100.3400.03316.51
5.4.90.3400.03316.60
5.4.80.3470.03716.70
5.4.70.3070.02716.27
5.4.60.3730.03716.71
5.4.50.3270.04016.48
5.4.40.2930.04316.41
5.4.30.2970.03316.69
5.4.20.2800.03716.73
5.4.10.3030.03716.69
5.4.00.3200.03715.86
5.3.290.3570.04014.79
5.3.280.3270.03314.75
5.3.270.3030.03314.65
5.3.260.3470.04014.83
5.3.250.3270.04014.62
5.3.240.3330.03714.71
5.3.230.2730.04314.73
5.3.220.2570.04714.77
5.3.210.3030.04014.65
5.3.200.3770.04014.68
5.3.190.3370.04014.65
5.3.180.3200.04014.79
5.3.170.2830.04314.68
5.3.160.3270.03014.62
5.3.150.3470.04014.58
5.3.140.3300.04014.68
5.3.130.3000.03314.67
5.3.120.3470.04014.56
5.3.110.3300.03014.58
5.3.100.3770.03014.06
5.3.90.3470.03714.24
5.3.80.3300.04014.06
5.3.70.2670.03314.14
5.3.60.2730.03714.27
5.3.50.3100.03014.18
5.3.40.3230.03714.23
5.3.30.3230.04013.93
5.3.20.2470.03713.97
5.3.10.2900.03713.74
5.3.00.3030.04313.65
5.2.170.2530.03311.22
5.2.160.2500.03011.38
5.2.150.2400.03011.34
5.2.140.2700.03011.42
5.2.130.2730.02711.22
5.2.120.2530.03011.14
5.2.110.1930.03011.14
5.2.100.2570.03011.23
5.2.90.1830.02711.11
5.2.80.2030.03011.37
5.2.70.2370.03011.18
5.2.60.2600.03311.38
5.2.50.2770.03011.11
5.2.40.2370.02711.20
5.2.30.1900.02711.00
5.2.20.1930.03311.16
5.2.10.2200.02311.01
5.2.00.2430.03010.86
5.1.60.2000.02010.77
5.1.50.2530.03310.77
5.1.40.2370.03010.77
5.1.30.2170.03310.77
5.1.20.2200.02710.77
5.1.10.2530.03010.77
5.1.00.2570.03010.77
5.0.50.0700.03310.77
5.0.40.1400.02310.77
5.0.30.1300.03310.77
5.0.20.1270.02310.77
5.0.10.1270.02310.77
5.0.00.0970.04010.77
4.4.90.1300.01710.77
4.4.80.1330.02310.77
4.4.70.1270.02010.77
4.4.60.1130.02010.77
4.4.50.1200.02310.77
4.4.40.1070.03310.77
4.4.30.0800.01710.77
4.4.20.1200.01710.77
4.4.10.1300.02710.77
4.4.00.1330.03010.77
4.3.110.1370.02010.77
4.3.100.1230.02010.77
4.3.90.1100.01710.77
4.3.80.1530.02710.77
4.3.70.1000.02010.77
4.3.60.1070.02010.77
4.3.50.1170.01710.77
4.3.40.1300.03010.77
4.3.30.0570.01710.77
4.3.20.0630.02010.77
4.3.10.0470.02310.77
4.3.00.0370.01710.77

preferences:
33.26 ms | 401 KiB | 5 Q