3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'hello, [how]. please don\'t remove [are] you?'; echo preg_replace('#\s*\[.+\]\s*#e', ' ', $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)
8.3.70.0070.00716.75
8.3.60.0070.00718.43
8.3.50.0130.00516.58
8.3.40.0040.01118.79
8.3.30.0100.01018.67
8.3.20.0080.00018.60
8.3.10.0060.00320.66
8.3.00.0040.00417.46
8.2.180.0070.01416.63
8.2.170.0120.00622.96
8.2.160.0090.00620.56
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00019.89
8.2.110.0030.00621.02
8.2.100.0030.00917.84
8.2.90.0080.00019.30
8.2.80.0050.00317.97
8.2.70.0080.00017.50
8.2.60.0070.00018.03
8.2.50.0050.00318.07
8.2.40.0000.00818.28
8.2.30.0040.00418.02
8.2.20.0080.00017.66
8.2.10.0040.00417.61
8.2.00.0040.00417.55
8.1.280.0090.00925.92
8.1.270.0000.00823.99
8.1.260.0020.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00622.46
8.1.230.0070.00420.96
8.1.220.0000.00818.77
8.1.210.0070.00418.77
8.1.200.0060.00317.10
8.1.190.0040.00417.53
8.1.180.0060.00318.10
8.1.170.0030.00618.75
8.1.160.0040.00418.74
8.1.150.0040.00418.45
8.1.140.0000.00717.39
8.1.130.0000.00717.74
8.1.120.0000.00817.38
8.1.110.0000.00717.38
8.1.100.0040.00417.41
8.1.90.0070.00017.47
8.1.80.0070.00017.38
8.1.70.0000.00717.29
8.1.60.0060.00617.55
8.1.50.0000.00717.33
8.1.40.0000.00817.29
8.1.30.0040.00417.58
8.1.20.0060.00317.57
8.1.10.0070.00017.50
8.1.00.0050.00317.31
8.0.300.0000.00720.03
8.0.290.0000.00716.75
8.0.280.0080.00018.40
8.0.270.0030.00317.13
8.0.260.0000.00718.60
8.0.250.0000.00816.89
8.0.240.0000.00816.94
8.0.230.0000.00716.96
8.0.220.0020.00516.88
8.0.210.0030.00316.93
8.0.200.0000.00617.00
8.0.190.0000.00716.94
8.0.180.0070.00016.80
8.0.170.0060.00316.94
8.0.160.0040.00416.79
8.0.150.0030.00616.86
8.0.140.0000.01016.72
8.0.130.0000.00613.36
8.0.120.0000.00816.75
8.0.110.0030.00616.92
8.0.100.0040.00416.79
8.0.90.0040.00416.90
8.0.80.0060.00916.96
8.0.70.0020.00516.72
8.0.60.0000.00716.78
8.0.50.0000.00717.00
8.0.30.0100.01317.02
8.0.20.0090.01017.07
8.0.10.0070.00017.05
8.0.00.0180.00416.65
7.4.330.0050.00014.59
7.4.320.0070.00016.55
7.4.300.0040.00416.55
7.4.290.0070.00016.48
7.4.280.0060.00316.51
7.4.270.0040.00416.54
7.4.260.0060.00013.11
7.4.250.0050.00316.49
7.4.240.0030.00316.43
7.4.230.0000.00716.62
7.4.220.0060.01216.63
7.4.210.0070.00716.50
7.4.200.0030.00316.64
7.4.190.0050.00316.64
7.4.160.0170.00616.49
7.4.150.0100.00717.07
7.4.140.0050.01517.19
7.4.130.0060.01216.48
7.4.120.0080.00816.49
7.4.110.0030.01716.55
7.4.100.0120.00616.46
7.4.90.0100.00716.43
7.4.80.0130.01018.80
7.4.70.0080.00816.39
7.4.60.0060.01316.36
7.4.50.0040.00416.18
7.4.40.0030.00922.27
7.4.30.0100.00616.55
7.4.00.0030.01015.02
7.3.330.0060.00013.04
7.3.320.0000.00512.96
7.3.310.0060.00016.27
7.3.300.0030.00316.19
7.3.290.0070.00716.24
7.3.280.0100.00616.20
7.3.270.0100.00617.07
7.3.260.0090.01218.24
7.3.250.0090.01216.26
7.3.240.0110.01216.23
7.3.230.0150.00716.39
7.3.210.0060.01516.41
7.3.200.0060.01619.39
7.3.190.0130.00616.23
7.3.180.0100.00616.22
7.3.170.0030.01516.30
7.3.160.0120.00916.18
7.3.120.0030.01014.85
7.2.330.0060.01216.69
7.2.320.0060.01216.64
7.2.310.0130.00716.74
7.2.300.0080.00916.75
7.2.290.0090.01516.79
7.2.60.0070.00716.89
7.2.00.0060.00919.39
7.1.200.0040.00415.86
7.1.100.0030.01018.00
7.1.70.0040.00417.33
7.1.60.0040.01919.40
7.1.50.0000.02117.10
7.1.00.0070.06322.32
7.0.200.0000.00816.91
7.0.140.0000.07722.11
7.0.60.0030.08319.90
7.0.50.0030.04017.68
7.0.40.0130.07720.06
7.0.30.0300.06720.01
7.0.20.0300.04020.01
7.0.10.0070.08720.21
7.0.00.0130.05320.09
5.6.280.0030.07321.08
5.6.210.0070.07020.64
5.6.200.0000.09018.23
5.6.190.0030.09020.48
5.6.180.0230.07020.35
5.6.170.0200.04020.71
5.6.160.0070.04320.31
5.6.150.0070.05318.19
5.6.140.0070.08018.18
5.6.130.0130.09318.22
5.6.120.0130.06321.03
5.6.110.0030.06021.11
5.6.100.0030.09021.07
5.6.90.0070.06020.98
5.6.80.0170.07020.38
5.5.350.0000.04720.43
5.5.340.0070.03717.96
5.5.330.0030.09020.40
5.5.320.0230.05320.29
5.5.310.0400.03320.30
5.5.300.0000.06318.02
5.5.290.0070.08717.88
5.5.280.0130.07020.79
5.5.270.0000.04320.79
5.5.260.0000.04320.71
5.5.250.0100.08020.78
5.5.240.0330.06020.36
5.4.450.0570.04319.47
5.4.440.0730.05019.39
5.4.430.0630.04719.57
5.4.420.0570.04019.12
5.4.410.0270.04319.07
5.4.400.0530.04019.23
5.4.390.0630.02719.11
5.4.380.0330.03319.21
5.4.370.0630.04319.04
5.4.360.0800.03318.93
5.4.350.0330.04019.04
5.4.340.0570.04319.21
5.4.320.0500.04319.16
5.4.310.0430.03318.77
5.4.300.0630.04719.06
5.4.290.0630.03718.88
5.4.280.0900.03318.79
5.4.270.0700.03719.21
5.4.260.0200.04718.95
5.4.250.0870.03319.05
5.4.240.0770.03018.79
5.4.230.0630.04318.79
5.4.220.0300.02319.13
5.4.210.0770.04018.76
5.4.200.0700.04019.24
5.4.190.0500.04018.91
5.4.180.0600.03719.05
5.4.170.0870.03318.76
5.4.160.0670.03719.11
5.4.150.0770.03719.11
5.4.140.0530.03716.47
5.4.130.0600.06016.26
5.4.120.0570.04316.26
5.4.110.0500.03716.39
5.4.100.0570.04016.48
5.4.90.0670.04016.47
5.4.80.0300.04016.27
5.4.70.0400.03716.30
5.4.60.0400.03716.32
5.4.50.0700.05716.40
5.4.40.0330.04316.43
5.4.30.0600.03316.42
5.4.20.0330.03716.36
5.4.10.0300.04316.36
5.4.00.0730.02015.88
5.3.290.0430.04715.73
5.3.280.0670.02715.73
5.3.270.0830.03015.73
5.3.260.0500.03315.73
5.3.250.0700.02715.73
5.3.240.0500.03315.73
5.3.230.0600.04015.73
5.3.220.0800.03315.73
5.3.210.0770.03015.73
5.3.200.0400.03015.73
5.3.190.0030.03715.73
5.3.180.0770.04715.73
5.3.170.0770.03015.73
5.3.160.0430.03315.73
5.3.150.0400.04715.72
5.3.140.0270.05015.72
5.3.130.0900.03315.72
5.3.120.0730.04315.72
5.3.110.0630.04315.72
5.3.100.0370.04715.72
5.3.90.0600.04315.72
5.3.80.0800.03015.72
5.3.70.0770.04015.72
5.3.60.0430.04015.72
5.3.50.0530.03315.72
5.3.40.0330.03315.72
5.3.30.0530.04015.72
5.3.20.0370.03315.72
5.3.10.0400.03715.72
5.3.00.0770.03015.72
5.2.170.0500.02715.72
5.2.160.0930.02715.72
5.2.150.0070.04015.72
5.2.140.0400.03015.72
5.2.130.0800.02015.72
5.2.120.0300.02715.72
5.2.110.0430.03015.72
5.2.100.0430.03015.72
5.2.90.0570.02715.72
5.2.80.0500.03715.72
5.2.70.0430.03015.72
5.2.60.0130.03315.72
5.2.50.0400.03315.72
5.2.40.0300.03015.72
5.2.30.0370.03715.72
5.2.20.0400.02315.72
5.2.10.0370.03015.72
5.2.00.0200.02315.72
5.1.60.0230.03315.72
5.1.50.0300.02715.72
5.1.40.0500.01715.72
5.1.30.0570.02315.72
5.1.20.0600.02715.72
5.1.10.0500.02015.72
5.1.00.0470.02315.72
5.0.50.0300.01715.67
5.0.40.0270.01715.67
5.0.30.0170.03315.67
5.0.20.0300.01315.67
5.0.10.0270.02315.67
5.0.00.0070.03015.67
4.4.90.0070.01715.72
4.4.80.0000.01315.72
4.4.70.0130.02015.72
4.4.60.0200.02015.72
4.4.50.0000.01315.72
4.4.40.0030.02715.72
4.4.30.0170.01015.72
4.4.20.0170.01715.72
4.4.10.0200.04315.72
4.4.00.0100.02715.67
4.3.110.0100.01015.67
4.3.100.0130.01715.67
4.3.90.0370.00715.67
4.3.80.0170.02315.67
4.3.70.0330.01715.67
4.3.60.0200.02315.67
4.3.50.0100.01315.67
4.3.40.0030.03015.67
4.3.30.0100.01715.67
4.3.20.0130.01315.67
4.3.10.0030.02015.67
4.3.00.0170.01315.67

preferences:
32.31 ms | 401 KiB | 5 Q