3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dd($string) { return preg_replace('/([~]+)\[/e','str_repeat("~",strlen("$1")*2)."[";', $string); } print dd("a-b\n"); print dd("a~b\n"); print dd("a[b\n"); print dd("a~[b\n"); print dd("a~~[b\n");

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)
8.3.60.0110.01116.88
8.3.50.0110.00716.50
8.3.40.0110.00718.80
8.3.30.0140.00018.45
8.3.20.0040.00420.39
8.3.10.0050.00321.91
8.3.00.0040.00423.52
8.2.180.0060.01316.38
8.2.170.0140.00022.96
8.2.160.0100.00720.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00420.94
8.2.120.0040.00426.35
8.2.110.0060.00320.81
8.2.100.0030.00917.68
8.2.90.0060.00319.09
8.2.80.0030.00617.97
8.2.70.0030.00617.25
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0050.00520.56
8.2.30.0020.00519.34
8.2.20.0050.00217.58
8.2.10.0040.00417.93
8.2.00.0080.00017.93
8.1.270.0090.00921.81
8.1.260.0080.00028.09
8.1.250.0000.00728.09
8.1.240.0030.00622.33
8.1.230.0090.00318.97
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0000.00817.10
8.1.180.0080.00018.10
8.1.170.0030.00618.50
8.1.160.0070.00020.64
8.1.150.0070.00020.58
8.1.140.0040.00419.30
8.1.130.0030.00317.52
8.1.120.0030.00417.36
8.1.110.0070.00017.23
8.1.100.0040.00417.23
8.1.90.0030.00617.23
8.1.80.0000.00817.23
8.1.70.0080.00017.23
8.1.60.0000.00817.58
8.1.50.0050.00317.52
8.1.40.0050.00317.46
8.1.30.0030.00617.63
8.1.20.0000.00817.47
8.1.10.0050.00317.51
8.1.00.0050.00317.43
8.0.300.0050.00218.77
8.0.290.0070.00016.63
8.0.280.0000.00718.31
8.0.270.0030.00317.18
8.0.260.0030.00317.05
8.0.250.0030.00316.89
8.0.240.0000.00716.82
8.0.230.0000.00716.81
8.0.220.0070.00016.81
8.0.210.0050.00316.77
8.0.200.0000.00716.86
8.0.190.0030.00616.82
8.0.180.0070.00016.71
8.0.170.0000.00816.87
8.0.160.0040.00416.88
8.0.150.0040.00416.83
8.0.140.0000.00716.80
8.0.130.0040.00413.21
8.0.120.0060.00316.69
8.0.110.0040.00416.77
8.0.100.0000.00816.82
8.0.90.0040.00416.71
8.0.80.0070.00816.71
8.0.70.0000.00716.62
8.0.60.0040.00416.70
8.0.50.0050.00216.69
8.0.30.0110.00916.84
8.0.20.0140.00717.40
8.0.10.0000.00716.83
8.0.00.0060.01116.85
7.4.330.0000.00516.66
7.4.320.0000.00816.43
7.4.300.0030.00516.42
7.4.290.0030.00316.58
7.4.280.0030.00516.43
7.4.270.0040.00416.44
7.4.260.0000.00916.33
7.4.250.0030.00516.35
7.4.240.0070.00016.58
7.4.230.0040.00416.64
7.4.220.0100.00616.32
7.4.210.0110.00716.47
7.4.200.0040.00416.42
7.4.160.0120.00316.39
7.4.150.0140.00317.40
7.4.140.0190.00217.86
7.4.130.0120.00616.43
7.4.120.0070.00916.50
7.4.110.0080.00816.61
7.4.100.0030.01316.42
7.4.90.0000.01716.44
7.4.80.0110.00619.39
7.4.70.0180.00016.42
7.4.60.0090.00616.45
7.4.50.0080.00516.51
7.4.40.0100.00616.29
7.4.30.0090.01216.52
7.4.00.0060.00614.91
7.3.330.0000.00613.30
7.3.320.0000.00613.28
7.3.310.0070.00016.25
7.3.300.0030.00316.30
7.3.290.0040.00416.17
7.3.280.0140.00416.29
7.3.270.0150.00317.40
7.3.260.0100.00716.28
7.3.250.0110.00716.49
7.3.240.0050.01116.45
7.3.230.0140.00316.41
7.3.210.0060.01016.50
7.3.200.0060.01019.39
7.3.190.0070.01116.50
7.3.180.0030.01316.36
7.3.170.0030.01616.48
7.3.160.0030.01316.54
7.2.330.0080.00816.66
7.2.320.0060.01816.71
7.2.310.0060.01016.71
7.2.300.0030.01316.71
7.2.290.0080.00816.51
7.2.110.0170.00516.64
7.2.100.0100.00316.77
7.2.90.0040.00816.68
7.2.80.0030.01016.66
7.2.70.0070.00716.88
7.2.60.0080.00716.81
7.2.50.0030.00916.97
7.2.40.0030.01017.07
7.2.30.0000.01616.67
7.2.20.0060.00916.72
7.2.10.0070.00717.13
7.2.00.0120.00318.29
7.1.230.0040.00415.87
7.1.220.0000.01615.74
7.1.210.0030.01015.82
7.1.200.0040.00715.87
7.1.190.0080.00615.88
7.1.180.0070.00715.99
7.1.170.0080.00315.75
7.1.160.0090.00315.82
7.1.150.0080.00415.73
7.1.140.0060.00615.93
7.1.130.0060.01015.78
7.1.120.0090.00615.97
7.1.110.0090.00015.81
7.1.100.0320.00217.11
7.1.90.0070.00415.83
7.1.80.0070.00715.85
7.1.70.0070.00416.46
7.1.60.0080.01017.68
7.1.50.0070.01316.48
7.1.40.0000.01816.09
7.1.30.0110.00715.97
7.1.20.0070.00716.23
7.1.10.0060.00615.97
7.1.00.0030.04219.17
7.0.310.0040.01115.39
7.0.300.0030.01015.60
7.0.290.0040.00715.34
7.0.280.0130.00315.23
7.0.270.0090.00315.32
7.0.260.0090.00315.61
7.0.250.0000.01215.44
7.0.240.0030.00715.67
7.0.230.0060.00615.71
7.0.220.0070.00715.36
7.0.210.0060.00615.55
7.0.200.0070.00516.15
7.0.190.0000.00915.23
7.0.180.0080.00515.30
7.0.170.0060.00615.65
7.0.160.0030.00715.56
7.0.150.0070.00315.66
7.0.140.0040.01215.64
7.0.130.0060.00915.61
7.0.120.0060.00615.39
7.0.110.0060.00315.57
7.0.100.0000.01015.60
7.0.90.0000.00815.68
7.0.80.0130.00015.54
7.0.70.0090.00315.64
7.0.60.0050.04318.64
7.0.50.0100.02716.79
7.0.40.0100.02516.96
7.0.30.0100.02516.93
7.0.20.0180.04216.86
7.0.10.0030.05016.67
7.0.00.0060.02216.85
5.6.380.0060.00314.57
5.6.370.0000.01214.49
5.6.360.0080.00314.39
5.6.350.0070.00714.40
5.6.340.0070.00714.25
5.6.330.0040.01114.25
5.6.320.0070.00714.22
5.6.310.0090.00314.22
5.6.300.0030.01214.66
5.6.290.0000.01414.33
5.6.280.0110.02217.85
5.6.270.0040.00414.23
5.6.260.0130.00014.64
5.6.250.0030.00914.33
5.6.240.0090.00014.50
5.6.230.0030.00714.10
5.6.220.0000.01414.27
5.6.210.0130.03717.46
5.6.200.0080.02416.37
5.6.190.0070.04717.54
5.6.180.0210.03617.50
5.6.170.0100.02817.46
5.6.160.0120.04017.43
5.6.150.0060.03516.39
5.6.140.0050.02016.20
5.6.130.0050.02616.13
5.6.120.0030.02417.63
5.6.110.0080.03217.68
5.6.100.0030.02517.68
5.6.90.0100.03817.73
5.6.80.0100.04017.38
5.6.70.0000.01514.16
5.6.60.0030.01014.17
5.6.50.0040.00814.37
5.6.40.0060.00314.33
5.6.30.0040.01114.04
5.6.20.0060.00314.15
5.6.10.0110.00314.21
5.6.00.0040.00414.20
5.5.380.0040.00812.79
5.5.370.0000.00812.79
5.5.360.0060.00312.79
5.5.350.1530.02016.62
5.5.340.0050.03615.38
5.5.330.0050.03616.60
5.5.320.0430.02816.53
5.5.310.0150.04216.55
5.5.300.0070.04015.39
5.5.290.0080.03815.38
5.5.280.0070.04516.72
5.5.270.0100.02016.83
5.5.260.0120.04016.88
5.5.250.0050.02116.74
5.5.240.0170.03016.53
5.5.230.0090.00012.79
5.5.220.0000.00712.79
5.5.210.0000.01112.79
5.5.200.0030.00712.79
5.5.190.0030.00612.79
5.5.180.0060.00012.79
5.5.170.0000.00914.27
5.5.160.0060.00612.79
5.5.150.0000.01012.79
5.5.140.0070.00012.79
5.5.130.0000.00712.79
5.5.120.0000.00612.79
5.5.110.0030.00612.79
5.5.100.0000.00812.79
5.5.90.0020.00512.79
5.5.80.0060.00012.79
5.5.70.0030.00612.79
5.5.60.0030.00312.79
5.5.50.0060.00312.79
5.5.40.0040.00712.79
5.5.30.0030.00312.79
5.5.20.0040.00812.79
5.5.10.0040.00712.79
5.5.00.0000.01112.79

preferences:
67.95 ms | 400 KiB | 5 Q