3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string="{1},[2],(3),<4>"; $string = preg_replace_callback('~([{[<])|[]}>]~', function ($m) { return !empty($m[1]) ? "(" : ")"; }, $string); echo $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)
8.3.60.0060.00918.68
8.3.50.0110.01116.52
8.3.40.0070.01519.04
8.3.30.0070.00718.96
8.3.20.0040.00421.90
8.3.10.0040.00421.76
8.3.00.0000.00723.66
8.2.180.0090.01217.00
8.2.170.0040.01119.00
8.2.160.0080.00619.50
8.2.150.0050.00325.66
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0000.00826.16
8.2.110.0090.00019.25
8.2.100.0060.00617.97
8.2.90.0040.00418.16
8.2.80.0000.00819.28
8.2.70.0050.00518.04
8.2.60.0040.00717.88
8.2.50.0000.00817.93
8.2.40.0040.00419.72
8.2.30.0040.00419.39
8.2.20.0000.00818.13
8.2.10.0080.00019.41
8.2.00.0000.00719.27
8.1.280.0160.00325.92
8.1.270.0070.00024.66
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00421.99
8.1.230.0040.00722.63
8.1.220.0000.00817.76
8.1.210.0060.00318.87
8.1.200.0060.00617.48
8.1.190.0030.00617.47
8.1.180.0080.00018.10
8.1.170.0000.00817.62
8.1.160.0040.00418.92
8.1.150.0030.00518.93
8.1.140.0000.00718.91
8.1.130.0040.00417.66
8.1.120.0050.00317.66
8.1.110.0030.00617.50
8.1.100.0050.00517.50
8.1.90.0000.00717.66
8.1.80.0040.00417.48
8.1.70.0000.00717.61
8.1.60.0050.00317.75
8.1.50.0030.00617.69
8.1.40.0060.00317.70
8.1.30.0080.00017.87
8.1.20.0040.00417.73
8.1.10.0000.00717.74
8.1.00.0030.00517.64
8.0.300.0000.00720.14
8.0.290.0040.00416.88
8.0.280.0070.00018.46
8.0.270.0040.00416.91
8.0.260.0000.00816.99
8.0.250.0000.00716.99
8.0.240.0030.00517.09
8.0.230.0000.00717.04
8.0.220.0070.00017.06
8.0.210.0030.00317.00
8.0.200.0070.00017.06
8.0.190.0040.00417.09
8.0.180.0000.00716.94
8.0.170.0050.00317.08
8.0.160.0050.00317.02
8.0.150.0080.00017.06
8.0.140.0000.00716.88
8.0.130.0030.00313.41
8.0.120.0040.00417.04
8.0.110.0040.00417.07
8.0.100.0030.00617.02
8.0.90.0040.00416.98
8.0.80.0070.00817.02
8.0.70.0000.00817.00
8.0.60.0040.00416.96
8.0.50.0020.00517.09
8.0.30.0060.01617.52
8.0.20.0100.00917.25
8.0.10.0000.00817.04
8.0.00.0070.01016.92
7.4.330.0000.00515.55
7.4.320.0030.00316.83
7.4.300.0040.00416.81
7.4.290.0000.00716.58
7.4.280.0030.00616.63
7.4.270.0000.00716.81
7.4.260.0000.00716.72
7.4.250.0070.00016.59
7.4.240.0020.00516.81
7.4.230.0040.00416.83
7.4.220.0030.00516.81
7.4.210.0070.00816.73
7.4.200.0020.00516.92
7.4.160.0100.00516.73
7.4.140.0120.00617.86
7.4.130.0100.00716.57
7.4.120.0030.01316.84
7.4.110.0100.00716.78
7.4.100.0070.01016.86
7.4.90.0090.00916.61
7.4.80.0090.01219.39
7.4.70.0000.01916.73
7.4.60.0080.00816.61
7.4.50.0070.00316.46
7.4.40.0060.01716.72
7.4.10.0070.01115.05
7.4.00.0080.01015.09
7.3.330.0050.00013.41
7.3.320.0030.00313.45
7.3.310.0000.00716.57
7.3.300.0030.00316.31
7.3.290.0050.01016.47
7.3.280.0050.00816.43
7.3.260.0110.00816.63
7.3.240.0140.00416.50
7.3.230.0120.00916.86
7.3.210.0080.00916.47
7.3.200.0090.01116.55
7.3.190.0160.00616.75
7.3.180.0040.01716.36
7.3.170.0110.01216.72
7.3.160.0070.01116.51
7.3.130.0140.00314.75
7.3.120.0060.01114.83
7.3.110.0100.01015.12
7.3.100.0050.00914.94
7.3.90.0060.00615.17
7.3.80.0070.00814.91
7.3.70.0060.00714.96
7.3.60.0040.01014.98
7.3.50.0070.00614.98
7.3.40.0060.00914.96
7.3.30.0060.00914.82
7.3.20.0080.00416.20
7.3.10.0310.00316.13
7.3.00.0080.00816.20
7.2.330.0100.00716.82
7.2.320.0090.00916.95
7.2.310.0180.00316.82
7.2.300.0070.01016.78
7.2.290.0100.00716.81
7.2.260.0050.01215.22
7.2.250.0040.01415.26
7.2.240.0030.01215.26
7.2.230.0090.00415.15
7.2.220.0040.01115.15
7.2.210.0050.01215.24
7.2.200.0050.00715.09
7.2.190.0070.00915.25
7.2.180.0070.00715.28
7.2.170.0120.00515.24
7.2.160.0040.00815.21
7.2.150.0040.00716.50
7.2.140.0100.00716.44
7.2.130.0040.01416.44
7.2.120.0100.00616.30
7.2.110.0090.00416.34
7.2.100.0080.00516.31
7.2.90.0060.00816.50
7.2.80.0070.00416.45
7.2.70.0090.01016.38
7.2.60.0080.00616.47
7.2.50.0060.00816.47
7.2.40.0050.01016.35
7.2.30.0050.00616.53
7.2.20.0050.00816.40
7.2.10.0080.01016.44
7.2.00.0090.00716.41
7.1.330.0050.00816.02
7.1.320.0060.00715.77
7.1.310.0050.00715.83
7.1.300.0080.00815.22
7.1.290.0040.00715.30
7.1.280.0060.01115.41
7.1.270.0050.00915.33
7.1.260.0070.00715.39
7.1.250.0060.00715.25
7.1.240.0050.00915.95
7.1.230.0060.00315.95
7.1.220.0070.00516.04
7.1.210.0060.00515.87
7.1.200.0020.00915.86
7.1.190.0030.00815.71
7.1.180.0030.01015.80
7.1.170.0050.01115.97
7.1.160.0060.00716.01
7.1.150.0070.00715.83
7.1.140.0050.00815.92
7.1.130.0030.00815.86
7.1.120.0070.00616.06
7.1.110.0070.00715.97
7.1.100.0050.00616.07
7.1.90.0070.00515.79
7.1.80.0090.00415.95
7.1.70.0100.00515.99
7.1.60.0030.00915.85
7.1.50.0030.01115.90
7.1.40.0040.01115.68
7.1.30.0090.00615.81
7.1.20.0090.00615.97
7.1.10.0080.00515.98
7.1.00.0100.00315.70

preferences:
33.03 ms | 401 KiB | 5 Q