3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'ê[B]éîøoo[/B]åaí'; $isMatch = preg_match( '/\[(\w++)([=]?)([^\]]*?)\]([^\[]*?)\[\/\1\]|\[(HR|\*)\]/', $string, $matches ); if($isMatch) { echo str_replace( "[{$matches[1]}]{$matches[4]}[/{$matches[1]}]", "<b>{$matches[4]}</b>", $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)
8.3.60.0100.00716.59
8.3.50.0100.00722.93
8.3.40.0090.00619.10
8.3.30.0100.00319.01
8.3.20.0000.00720.37
8.3.10.0040.00421.76
8.3.00.0050.00317.75
8.2.180.0070.01516.88
8.2.170.0110.00722.96
8.2.160.0110.00420.53
8.2.150.0030.00524.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.77
8.2.110.0120.00622.39
8.2.100.0070.00719.82
8.2.90.0030.00619.39
8.2.80.0000.00817.97
8.2.70.0070.00417.99
8.2.60.0050.00518.05
8.2.50.0060.00318.07
8.2.40.0000.00818.16
8.2.30.0080.00018.03
8.2.20.0030.00517.95
8.2.10.0040.00418.06
8.2.00.0000.00717.95
8.1.280.0090.00625.92
8.1.270.0060.00322.18
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0130.00723.85
8.1.230.0080.00418.97
8.1.220.0030.00517.78
8.1.210.0050.00518.77
8.1.200.0070.00317.35
8.1.190.0050.00517.35
8.1.180.0040.00418.10
8.1.170.0000.00918.61
8.1.160.0070.00021.82
8.1.150.0040.00418.76
8.1.140.0000.00717.50
8.1.130.0030.00317.86
8.1.120.0040.00417.44
8.1.110.0040.00417.49
8.1.100.0000.00717.55
8.1.90.0070.00017.39
8.1.80.0040.00417.54
8.1.70.0030.00317.51
8.1.60.0080.00017.71
8.1.50.0000.00817.50
8.1.40.0050.00217.60
8.1.30.0000.00817.73
8.1.20.0040.00417.82
8.1.10.0040.00417.72
8.1.00.0030.00517.63
8.0.300.0080.00018.77
8.0.290.0000.00816.75
8.0.280.0000.00718.38
8.0.270.0000.00717.16
8.0.260.0030.00317.20
8.0.250.0000.00717.02
8.0.240.0070.00017.11
8.0.230.0000.00717.04
8.0.220.0070.00016.96
8.0.210.0030.00316.99
8.0.200.0000.00717.14
8.0.190.0000.00717.00
8.0.180.0040.00417.09
8.0.170.0000.00817.06
8.0.160.0050.00217.04
8.0.150.0000.00717.05
8.0.140.0030.00617.06
8.0.130.0000.00613.44
8.0.120.0000.00816.98
8.0.110.0050.00316.95
8.0.100.0040.00417.02
8.0.90.0040.00416.89
8.0.80.0120.00917.08
8.0.70.0040.00417.04
8.0.60.0000.00716.91
8.0.50.0080.00017.07
8.0.30.0090.01217.15
8.0.20.0070.01317.40
8.0.10.0000.00717.05
8.0.00.0120.01116.92
7.4.330.0000.00515.01
7.4.320.0040.00416.68
7.4.300.0000.00616.66
7.4.290.0000.00716.74
7.4.280.0060.00316.75
7.4.270.0070.00016.72
7.4.260.0000.00916.73
7.4.250.0040.00416.61
7.4.240.0000.00716.78
7.4.230.0030.00316.86
7.4.220.0090.00916.77
7.4.210.0070.01116.69
7.4.200.0030.00316.84
7.4.160.0080.00816.89
7.4.150.0180.00017.40
7.4.140.0110.00617.86
7.4.130.0080.00816.72
7.4.120.0120.01216.76
7.4.110.0060.01016.92
7.4.100.0060.01216.53
7.4.90.0040.01216.64
7.4.80.0040.01819.39
7.4.70.0100.00716.46
7.4.60.0100.00716.65
7.4.50.0080.00016.69
7.4.40.0130.01016.62
7.4.30.0120.00616.44
7.4.00.0120.00414.83
7.3.330.0050.00213.18
7.3.320.0060.00013.18
7.3.310.0030.00316.41
7.3.300.0000.00716.34
7.3.290.0040.01516.39
7.3.280.0100.00616.42
7.3.270.0040.01717.40
7.3.260.0130.00716.61
7.3.250.0090.01116.62
7.3.240.0150.01016.66
7.3.230.0100.00716.49
7.3.210.0130.01016.45
7.3.200.0130.00319.39
7.3.190.0060.01016.57
7.3.180.0130.00316.76
7.3.170.0100.00716.37
7.3.160.0070.01016.52
7.2.330.0100.01316.91
7.2.320.0150.00916.74
7.2.310.0030.01316.61
7.2.300.0130.00616.84
7.2.290.0100.00616.69
7.2.00.0030.01019.60
7.1.200.0110.00015.64
7.1.100.0110.00718.58
7.1.70.0070.00717.41
7.1.60.0070.00717.16
7.1.50.0040.01816.81
7.1.00.0030.07722.43
7.0.200.0100.00616.97
7.0.140.0070.06721.90
7.0.60.0030.04019.93
7.0.50.0130.07317.80
7.0.40.0070.07020.26
7.0.30.0230.04720.11
7.0.20.0270.07720.20
7.0.10.0030.05720.23
7.0.00.0030.06720.01
5.6.280.0030.07321.13
5.6.210.0030.07320.60
5.6.200.0070.08718.08
5.6.190.0000.06320.43
5.6.180.0170.04320.39
5.6.170.0230.07320.50
5.6.160.0130.07320.38
5.6.150.0030.08318.16
5.6.140.0030.06718.18
5.6.130.0000.06318.21
5.6.120.0030.04320.95
5.6.110.0070.07320.99
5.6.100.0170.07721.14
5.6.90.0070.04321.07
5.6.80.0070.08020.47
5.5.350.0230.07720.36
5.5.340.0130.04717.92
5.5.330.0170.06020.40
5.5.320.0330.05720.41
5.5.310.0330.05020.23
5.5.300.0030.04717.97
5.5.290.0130.07317.92
5.5.280.0030.04320.97
5.5.270.0070.08720.85
5.5.260.0000.05020.76
5.5.250.0070.05020.58
5.5.240.0200.07320.27
5.4.450.0170.03719.57
5.4.440.0130.03719.39
5.4.430.0270.04719.38
5.4.420.0430.04019.25
5.4.410.0330.04319.33
5.4.400.0570.05019.10
5.4.390.0600.03719.10
5.4.380.0330.05318.50
5.4.370.0400.04718.51
5.4.360.0400.05318.63
5.4.350.0400.08318.50
5.4.340.0370.05318.53
5.4.320.0040.03912.45
5.4.310.0070.03712.45
5.4.300.0060.03612.46
5.4.290.0040.03912.45
5.4.280.0070.03412.35
5.4.270.0070.03712.35
5.4.260.0080.03412.35
5.4.250.0070.03512.35
5.4.240.0050.03612.35
5.4.230.0060.03812.34
5.4.220.0090.03312.34
5.4.210.0050.03612.34
5.4.200.0040.03812.34
5.4.190.0070.03612.34
5.4.180.0050.03712.34
5.4.170.0080.03412.35
5.4.160.0050.03712.34
5.4.150.0070.03512.34
5.4.140.0070.03712.02
5.4.130.0080.03412.01
5.4.120.0060.03511.97
5.4.110.0040.03711.96
5.4.100.0050.03511.97
5.4.90.0080.03711.96
5.4.80.0050.04011.96
5.4.70.0090.03311.96
5.4.60.0060.03411.96
5.4.50.0050.03711.96
5.4.40.0080.03511.95
5.4.30.0060.03611.95
5.4.20.0080.03411.95
5.4.10.0030.03711.95
5.4.00.0060.03611.44
5.3.290.0070.03812.80
5.3.280.0040.03912.71
5.3.270.0060.03912.73
5.3.260.0060.03912.72
5.3.250.0080.03412.72
5.3.240.0050.03812.72
5.3.230.0080.03612.71
5.3.220.0100.03412.68
5.3.210.0060.05212.68
5.3.200.0080.03412.68
5.3.190.0060.03712.68
5.3.180.0090.03412.67
5.3.170.0050.03712.67
5.3.160.0070.03512.67
5.3.150.0050.04212.68
5.3.140.0060.03612.66
5.3.130.0120.04012.66
5.3.120.0090.03612.66
5.3.110.0040.04112.66
5.3.100.0050.03812.12
5.3.90.0050.03712.09
5.3.80.0050.03712.07
5.3.70.0020.03912.08
5.3.60.0030.03912.06
5.3.50.0040.03712.00
5.3.40.0040.03712.00
5.3.30.0060.03411.96
5.3.20.0090.03511.73
5.3.10.0090.03211.70
5.3.00.0070.03811.69
5.2.170.0060.0299.19
5.2.160.0050.0289.18
5.2.150.0040.0399.19
5.2.140.0070.0419.19
5.2.130.0030.0359.14
5.2.120.0080.0329.14
5.2.110.0050.0299.15
5.2.100.0040.0319.15
5.2.90.0090.0259.15
5.2.80.0040.0319.14
5.2.70.0040.0319.14
5.2.60.0030.0319.10
5.2.50.0050.0319.07
5.2.40.0070.0329.05
5.2.30.0040.0409.03
5.2.20.0070.0389.02
5.2.10.0080.0328.93
5.2.00.0060.0368.79
5.1.60.0050.0278.08
5.1.50.0030.0278.07
5.1.40.0060.0238.05
5.1.30.0040.0328.40
5.1.20.0040.0318.42
5.1.10.0050.0288.15
5.1.00.0020.0278.15
5.0.50.0050.0196.62
5.0.40.0020.0206.49
5.0.30.0040.0306.30
5.0.20.0040.0186.27
5.0.10.0010.0226.25
5.0.00.0030.0316.25
4.4.90.0010.0174.78
4.4.80.0010.0174.75
4.4.70.0020.0164.75
4.4.60.0020.0204.75
4.4.50.0020.0194.77
4.4.40.0050.0224.71
4.4.30.0040.0144.75
4.4.20.0030.0144.85
4.4.10.0020.0164.85
4.4.00.0050.0284.76
4.3.110.0030.0154.67
4.3.100.0040.0134.67
4.3.90.0030.0174.63
4.3.80.0040.0234.58
4.3.70.0060.0114.63
4.3.60.0020.0154.63
4.3.50.0020.0164.62
4.3.40.0020.0254.54
4.3.30.0030.0153.30
4.3.20.0010.0173.27
4.3.10.0010.0163.23
4.3.00.0030.01715.92

preferences:
46.1 ms | 401 KiB | 5 Q