3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('`{[^{}]*{[^{}]*}[^{}]*}`', '<$0>', 'test {a} {b{c}d}e{{f}{g}}');

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)
8.3.60.0200.00018.30
8.3.50.0080.00821.21
8.3.40.0140.00718.62
8.3.30.0070.00719.13
8.3.20.0070.00020.30
8.3.10.0040.00422.10
8.3.00.0070.00022.44
8.2.180.0100.01016.38
8.2.170.0100.01022.96
8.2.160.0070.00720.36
8.2.150.0080.00024.18
8.2.140.0130.00624.66
8.2.130.0130.00626.16
8.2.120.0000.00819.65
8.2.110.0100.00022.14
8.2.100.0040.00819.40
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0000.00817.75
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0080.00018.09
8.2.30.0050.00218.02
8.2.20.0040.00417.79
8.2.10.0040.00417.56
8.2.00.0050.00317.69
8.1.280.0030.01725.92
8.1.270.0000.00820.23
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00623.84
8.1.230.0030.00719.11
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0040.00417.23
8.1.190.0040.00417.28
8.1.180.0070.00018.45
8.1.170.0050.00318.63
8.1.160.0030.00522.08
8.1.150.0040.00418.69
8.1.140.0070.00017.45
8.1.130.0000.00717.78
8.1.120.0030.00417.52
8.1.110.0050.00217.44
8.1.100.0040.00417.45
8.1.90.0000.00717.52
8.1.80.0050.00217.50
8.1.70.0070.00017.36
8.1.60.0040.00417.62
8.1.50.0080.00017.48
8.1.40.0070.00017.54
8.1.30.0040.00417.62
8.1.20.0000.00817.70
8.1.10.0050.00317.59
8.1.00.0040.00417.53
8.0.300.0040.00418.77
8.0.290.0070.00017.04
8.0.280.0000.00818.30
8.0.270.0030.00317.20
8.0.260.0040.00416.88
8.0.250.0040.00417.07
8.0.240.0000.00917.02
8.0.230.0070.00016.84
8.0.220.0070.00016.88
8.0.210.0070.00016.86
8.0.200.0030.00316.93
8.0.190.0080.00016.84
8.0.180.0070.00016.84
8.0.170.0040.00416.94
8.0.160.0070.00016.83
8.0.150.0030.00516.79
8.0.140.0080.00016.84
8.0.130.0000.00513.29
8.0.120.0060.00316.86
8.0.110.0050.00216.72
8.0.100.0030.00416.71
8.0.90.0000.00716.88
8.0.80.0040.01216.88
8.0.70.0040.00416.78
8.0.60.0050.00316.79
8.0.50.0040.00416.84
8.0.30.0130.00717.26
8.0.20.0140.00417.40
8.0.10.0040.00416.81
8.0.00.0080.01016.93
7.4.330.0020.00215.00
7.4.320.0040.00416.63
7.4.300.0000.00616.64
7.4.290.0000.00716.59
7.4.280.0070.00016.61
7.4.270.0030.00316.65
7.4.260.0030.00316.57
7.4.250.0040.00416.56
7.4.240.0040.00316.55
7.4.230.0040.00416.76
7.4.220.0120.00616.63
7.4.210.0080.00816.67
7.4.200.0030.00316.45
7.4.190.0040.00416.52
7.4.160.0050.01116.68
7.4.150.0090.00917.40
7.4.140.0120.00917.86
7.4.130.0080.00816.61
7.4.120.0120.00816.61
7.4.110.0130.00316.71
7.4.100.0060.01016.54
7.4.90.0180.00016.62
7.4.80.0130.00619.39
7.4.70.0060.00916.55
7.4.60.0100.01016.46
7.4.50.0000.00916.75
7.4.40.0110.00722.77
7.4.30.0170.00316.68
7.4.00.0070.01014.99
7.3.330.0060.00013.18
7.3.320.0080.00012.98
7.3.310.0000.00716.23
7.3.300.0000.00716.31
7.3.290.0090.00616.18
7.3.280.0070.00916.27
7.3.270.0030.01417.40
7.3.260.0120.01116.58
7.3.250.0110.00816.58
7.3.240.0040.01316.54
7.3.230.0060.01216.39
7.3.210.0090.00916.54
7.3.200.0030.01319.39
7.3.190.0070.01416.66
7.3.180.0160.00016.54
7.3.170.0130.00316.37
7.3.160.0040.01116.29
7.3.120.0120.00315.14
7.2.330.0120.00616.67
7.2.320.0040.01416.61
7.2.310.0040.01716.51
7.2.300.0130.00316.56
7.2.290.0130.00416.46
7.2.00.0030.00919.46
7.1.100.0080.00418.09
7.1.70.0030.00617.09
7.1.60.0070.01719.82
7.1.50.0060.01616.97
7.1.00.0030.03722.38
7.0.200.0030.00316.80
7.0.140.0030.07322.09
7.0.60.0070.08020.08
7.0.50.0070.06717.84
7.0.40.0000.08720.14
7.0.30.0170.03719.98
7.0.20.0270.06020.14
7.0.10.0270.04020.05
7.0.00.0100.09020.12
5.6.280.0100.06720.77
5.6.210.0100.07720.64
5.6.200.0070.06318.15
5.6.190.0100.07720.39
5.6.180.3430.03720.61
5.6.170.0200.04020.50
5.6.160.0070.08320.41
5.6.150.0030.04018.11
5.6.140.0030.04018.21
5.6.130.0000.04718.22
5.6.120.0070.04020.98
5.6.110.0130.07721.02
5.6.100.0000.04321.02
5.6.90.0000.04320.99
5.6.80.0100.05720.50
5.6.70.0270.06320.48
5.5.350.0070.04720.40
5.5.340.0130.07718.00
5.5.330.0030.04320.19
5.5.320.0200.08320.17
5.5.310.0270.08320.33
5.5.300.0070.08318.01
5.5.290.0130.07317.92
5.5.280.0170.06020.79
5.5.270.0070.07020.71
5.5.260.0130.07720.86
5.5.250.0000.09020.67
5.5.240.0100.06020.22
5.4.450.0670.06319.26
5.4.440.0870.06319.59
5.4.430.0470.06019.43
5.4.420.0630.06019.61
5.4.410.0730.07019.34
5.4.400.0370.05718.49
5.4.390.0070.06318.70
5.4.380.0270.07318.68
5.4.370.0130.05318.69
5.4.360.0170.04718.71
5.4.350.0060.04211.97
5.4.340.0070.03911.96
5.4.320.0040.03812.45
5.4.310.0110.04112.45
5.4.300.0100.04312.45
5.4.290.0100.04412.45
5.4.280.0030.04512.34
5.4.270.0070.04112.35
5.4.260.0070.04112.34
5.4.250.0130.04718.62
5.4.240.0030.06018.75
5.4.230.0200.04018.85
5.4.220.0070.05719.01
5.4.210.0130.04718.63
5.4.200.0130.04718.77
5.4.190.0130.04718.75
5.4.180.0100.04718.81
5.4.170.0130.04718.61
5.4.160.0130.05018.70
5.4.150.0030.05718.86
5.4.140.0070.05016.43
5.4.130.0170.03716.25
5.4.120.0100.04716.27
5.4.110.0030.05716.27
5.4.100.0100.04316.29
5.4.90.0200.03716.37
5.4.80.0070.05016.16
5.4.70.0070.05016.30
5.4.60.0130.06016.34
5.4.50.0000.05716.30
5.4.40.0070.04716.41
5.4.30.0030.05016.13
5.4.20.0070.04716.26
5.4.10.0100.04316.19
5.4.00.0100.04715.84
5.3.290.0090.04112.80
5.3.280.0030.05314.60
5.3.270.0070.05714.60
5.3.260.0170.06314.48
5.3.250.0100.05014.59
5.3.240.0130.04714.70
5.3.230.0070.05314.59
5.3.220.0100.04714.40
5.3.210.0030.05314.56
5.3.200.0100.04714.45
5.3.190.0130.04714.60
5.3.180.0070.05714.25
5.3.170.0130.04314.65
5.3.160.0100.06314.57
5.3.150.0100.06014.33
5.3.140.0000.06014.57
5.3.130.0200.05314.69
5.3.120.0100.05714.55
5.3.110.0100.05014.43
5.3.100.0100.05014.09
5.3.90.0030.05013.80
5.3.80.0070.05013.85
5.3.70.0130.04013.87
5.3.60.0100.04713.86
5.3.50.0200.05713.94
5.3.40.0100.04713.87
5.3.30.0000.05313.74
5.3.20.0070.05013.78
5.3.10.0070.07313.66
5.3.00.0070.05013.55
5.2.170.0070.04311.05
5.2.160.0030.04011.15
5.2.150.0070.04011.14
5.2.140.0100.03711.15
5.2.130.0000.04310.93
5.2.120.0030.04011.09
5.2.110.0070.04011.10
5.2.100.0100.03311.11
5.2.90.0070.03710.86
5.2.80.0000.04311.11
5.2.70.0070.04011.09
5.2.60.0000.04711.20
5.2.50.0000.05310.90
5.2.40.0070.03710.99
5.2.30.0070.04010.99
5.2.20.0130.03310.97
5.2.10.0130.04310.93
5.2.00.0130.03310.77
5.1.60.0100.03010.18
5.1.50.0030.0339.93
5.1.40.0000.0379.93
5.1.30.0100.03010.39
5.1.20.0100.03010.50
5.1.10.0000.04310.00
5.1.00.0100.03010.02
5.0.50.0030.0308.39
5.0.40.0030.0278.31
5.0.30.0000.0438.27
5.0.20.0000.0308.18
5.0.10.0000.0308.39
5.0.00.0000.0438.24
4.4.90.0030.0205.82
4.4.80.0000.0235.78
4.4.70.0000.0235.84
4.4.60.0000.0235.83
4.4.50.0030.0205.80
4.4.40.0070.0305.75
4.4.30.0030.0205.78
4.4.20.0000.0335.85
4.4.10.0000.0275.90
4.4.00.0000.0335.82
4.3.110.0000.0235.72
4.3.100.0030.0205.67
4.3.90.0070.0136.41
4.3.80.0070.0276.41
4.3.70.0000.0236.41
4.3.60.0000.0236.41
4.3.50.0000.0236.41
4.3.40.0030.0306.41
4.3.30.0000.0236.41
4.3.20.0100.0206.41
4.3.10.0070.0176.41
4.3.00.0100.0236.48

preferences:
43.04 ms | 401 KiB | 5 Q