3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'hello, [h[o]w]. please don\'t remove [are] you?'; echo preg_replace('/\[.*\]/', ' ', $a);

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)
8.3.40.0040.01118.71
8.3.30.0070.01018.90
8.3.20.0040.00420.04
8.3.10.0030.00523.65
8.3.00.0040.00420.89
8.2.170.0070.00722.96
8.2.160.0070.00720.47
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00020.84
8.2.110.0110.00022.11
8.2.100.0120.00019.70
8.2.90.0000.00819.01
8.2.80.0090.00017.97
8.2.70.0000.00817.75
8.2.60.0000.00818.04
8.2.50.0050.00318.07
8.2.40.0050.00319.95
8.2.30.0040.00418.38
8.2.20.0000.00817.94
8.2.10.0060.00317.94
8.2.00.0040.00417.82
8.1.270.0090.00023.71
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00623.63
8.1.230.0040.00719.16
8.1.220.0030.00517.74
8.1.210.0030.00518.77
8.1.200.0000.01317.48
8.1.190.0060.00317.22
8.1.180.0050.00318.10
8.1.170.0030.00518.63
8.1.160.0000.00721.98
8.1.150.0030.00518.76
8.1.140.0080.00017.49
8.1.130.0070.00017.87
8.1.120.0030.00417.52
8.1.110.0000.00717.51
8.1.100.0030.00517.41
8.1.90.0040.00417.55
8.1.80.0050.00317.61
8.1.70.0000.00817.51
8.1.60.0070.00317.68
8.1.50.0060.00317.61
8.1.40.0000.00817.45
8.1.30.0060.00317.64
8.1.20.0070.00017.63
8.1.10.0050.00217.66
8.1.00.0040.00417.57
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0030.00318.33
8.0.270.0070.00017.02
8.0.260.0030.00317.36
8.0.250.0000.00717.09
8.0.240.0030.00317.16
8.0.230.0080.00016.88
8.0.220.0070.00016.88
8.0.210.0040.00417.02
8.0.200.0060.00017.04
8.0.190.0070.00016.91
8.0.180.0030.00317.03
8.0.170.0000.00716.90
8.0.160.0000.00817.10
8.0.150.0000.00716.80
8.0.140.0000.00716.84
8.0.130.0000.00713.41
8.0.120.0000.00816.96
8.0.110.0000.00817.02
8.0.100.0000.00716.93
8.0.90.0000.00716.80
8.0.80.0060.01316.89
8.0.70.0000.00717.03
8.0.60.0040.00316.96
8.0.50.0000.00716.80
8.0.30.0130.00517.05
8.0.20.0090.01017.40
8.0.10.0000.00716.88
8.0.00.0090.00916.70
7.4.330.0020.00315.00
7.4.320.0000.00716.72
7.4.300.0000.00716.64
7.4.290.0030.00616.70
7.4.280.0040.00416.64
7.4.270.0000.00816.65
7.4.260.0000.00716.63
7.4.250.0000.00816.52
7.4.240.0020.00516.64
7.4.230.0030.00316.86
7.4.220.0070.01116.63
7.4.210.0040.01016.77
7.4.200.0000.00716.68
7.4.190.0000.00816.82
7.4.160.0120.00316.76
7.4.150.0000.01717.40
7.4.140.0070.01117.86
7.4.130.0110.00616.74
7.4.120.0090.00916.63
7.4.110.0130.00316.62
7.4.100.0090.01116.74
7.4.90.0100.00716.88
7.4.80.0130.01019.39
7.4.70.0130.00316.61
7.4.60.0060.01016.77
7.4.50.0040.00416.59
7.4.40.0080.00816.60
7.4.30.0110.00616.49
7.4.00.0100.00714.82
7.3.330.0020.00213.04
7.3.320.0070.00013.02
7.3.310.0070.00016.22
7.3.300.0080.00016.34
7.3.290.0160.00316.26
7.3.280.0100.00816.31
7.3.270.0130.01017.40
7.3.260.0160.00016.60
7.3.250.0070.01016.50
7.3.240.0100.01316.35
7.3.230.0090.00916.44
7.3.210.0090.00916.73
7.3.200.0100.00719.39
7.3.190.0070.01416.56
7.3.180.0060.01116.31
7.3.170.0040.01616.38
7.3.160.0110.00916.30
7.3.120.0070.00314.76
7.2.330.0120.00616.61
7.2.320.0130.00316.49
7.2.310.0070.01016.71
7.2.300.0130.00316.73
7.2.290.0100.00716.64
7.2.00.0040.01318.95
7.1.100.0080.00518.18
7.1.70.0040.00417.21
7.1.60.0100.01619.70
7.1.50.0070.01416.95
7.1.00.0030.07722.46
7.0.200.0050.00516.92
7.0.140.0030.07022.21
7.0.60.0130.06319.88
7.0.50.0070.08317.91
7.0.40.0170.04720.21
7.0.30.0230.05020.20
7.0.20.0330.07320.10
7.0.10.0100.04020.18
7.0.00.0030.04320.13
5.6.280.0030.07321.03
5.6.210.0100.07020.72
5.6.200.0100.04018.13
5.6.190.0170.08020.35
5.6.180.0200.06320.35
5.6.170.0170.04320.50
5.6.160.0100.06720.32
5.6.150.0070.05318.23
5.6.140.0070.07318.10
5.6.130.0000.04318.21
5.6.120.0100.04021.13
5.6.110.0030.08020.98
5.6.100.0070.08321.00
5.6.90.0070.05720.99
5.6.80.0070.08320.40
5.5.350.0200.04020.40
5.5.340.0100.07718.00
5.5.330.0100.03720.20
5.5.320.0370.05720.18
5.5.310.0230.05320.26
5.5.300.0030.03717.96
5.5.290.0070.07717.91
5.5.280.0070.07320.77
5.5.270.0030.04020.77
5.5.260.0030.04020.75
5.5.250.0130.06720.59
5.5.240.0000.03720.35
5.4.450.0100.04719.39
5.4.440.0170.04319.13
5.4.430.0500.04319.45
5.4.420.0230.04319.11
5.4.410.0400.03318.97
5.4.400.0270.02718.81
5.4.390.0500.04049.66
5.4.380.0270.06018.59
5.4.370.0170.05018.67
5.4.360.0170.07018.48
5.4.350.0000.07718.48
5.4.340.0200.04718.68
5.4.320.0060.03712.45
5.4.310.0060.05212.45
5.4.300.0100.05012.45
5.4.290.0050.06112.45
5.4.280.0090.05212.34
5.4.270.0090.05212.35
5.4.260.0110.06612.34
5.4.250.0060.05212.35
5.4.240.0060.03912.35
5.4.230.0080.03912.34
5.4.220.0100.05512.34
5.4.210.0050.04112.34
5.4.200.0050.04112.34
5.4.190.0080.03712.33
5.4.180.0090.05112.34
5.4.170.0100.04112.35
5.4.160.0070.04712.34
5.4.150.0070.04612.34
5.4.140.0070.05712.02
5.4.130.0090.04912.01
5.4.120.0090.05011.97
5.4.110.0060.05811.96
5.4.100.0070.05411.96
5.4.90.0190.05211.96
5.4.80.0120.05511.96
5.4.70.0110.05011.96
5.4.60.0090.04711.96
5.4.50.0120.04811.96
5.4.40.0080.05811.95
5.4.30.0060.05511.95
5.4.20.0120.04611.94
5.4.10.0060.04411.94
5.4.00.0070.03711.43
5.3.290.0080.03912.80
5.3.280.0100.03512.71
5.3.270.0080.05712.72
5.3.260.0090.03812.72
5.3.250.0070.03912.72
5.3.240.0080.03812.72
5.3.230.0070.03912.71
5.3.220.0080.03612.68
5.3.210.0100.03712.68
5.3.200.0080.03612.68
5.3.190.0100.03612.68
5.3.180.0060.03812.67
5.3.170.0090.04412.67
5.3.160.0060.04012.68
5.3.150.0040.04112.67
5.3.140.0070.03612.66
5.3.130.0060.04112.66
5.3.120.0110.03912.66
5.3.110.0140.04112.66
5.3.100.0060.03812.12
5.3.90.0060.04412.08
5.3.80.0060.04312.08
5.3.70.0070.04112.07
5.3.60.0070.04112.06
5.3.50.0080.04312.01
5.3.40.0060.03912.00
5.3.30.0100.03611.95
5.3.20.0050.04111.73
5.3.10.0080.04511.70
5.3.00.0060.04011.68
5.2.170.0060.0329.19
5.2.160.0060.0319.19
5.2.150.0050.0339.19
5.2.140.0140.0429.18
5.2.130.0070.0369.15
5.2.120.0050.0289.14
5.2.110.0050.0309.15
5.2.100.0080.0329.14
5.2.90.0230.0729.15
5.2.80.0080.0409.14
5.2.70.0060.0349.14
5.2.60.0040.0319.09
5.2.50.0020.0349.06
5.2.40.0050.0319.04
5.2.30.0080.0409.02
5.2.20.0040.0339.01
5.2.10.0050.0308.91
5.2.00.0050.0298.77
5.1.60.0050.0298.06
5.1.50.0030.0258.05
5.1.40.0070.0238.04
5.1.30.0060.0248.39
5.1.20.0060.0318.41
5.1.10.0040.0288.13
5.1.00.0060.0258.13
5.0.50.0060.0186.61
5.0.40.0020.0216.47
5.0.30.0010.0346.29
5.0.20.0040.0196.25
5.0.10.0030.0206.23
5.0.00.0050.0296.22
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0030.0154.75
4.4.60.0040.0164.75
4.4.50.0030.0204.77
4.4.40.0030.0244.71
4.4.30.0030.0154.76
4.4.20.0060.0124.85
4.4.10.0000.0184.85
4.4.00.0020.0264.76
4.3.110.0020.0164.67
4.3.100.0020.0154.66
4.3.90.0020.0154.64
4.3.80.0020.0254.59
4.3.70.0010.0164.63
4.3.60.0190.0674.63
4.3.50.0020.0174.62
4.3.40.0100.0614.54
4.3.30.0030.0233.28
4.3.20.0000.0493.26
4.3.10.0050.0233.22
4.3.00.0130.01747.11

preferences:
48.55 ms | 400 KiB | 5 Q