3v4l.org

run code in 300+ PHP versions simultaneously
<?php $corrupted = <<<STRING a:4:{i:0;s:3:"three";i:1;s:5:"five";i:2;s:2:"newline1 newline2";i:3;s:6:"garçon";} STRING; echo $corrupted; echo "\n---\n"; echo "fails to allow newline characers:\n"; var_export(unserialize(preg_replace_callback('!s:(\d+):"(.*?)";!', function($m) { return 's:'.mb_strlen($m[2]).':"'.$m[2].'";'; }, $corrupted))); echo "\n\nfails to appropriately count bytes:\n"; var_export(unserialize(preg_replace_callback('!s:(\d+):"(.*?)";!s', function($m) { return 's:'.mb_strlen($m[2]).':"'.$m[2].'";'; }, $corrupted))); echo"\n---\n"; echo "USE THIS PATTERN WITH THIS REPLACEMENT:\n"; var_export(preg_replace_callback( '/s:\d+:"(.*?)";/s', function ($m) { return "s:" . strlen($m[1]) . ":\"{$m[1]}\";"; }, $corrupted ));

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)
8.3.60.0110.00716.88
8.3.50.0180.00318.33
8.3.40.0090.00919.12
8.3.30.0120.00318.96
8.3.20.0080.00020.85
8.3.10.0040.00423.60
8.3.00.0040.00420.75
8.2.180.0110.00718.66
8.2.170.0090.01219.25
8.2.160.0100.01022.96
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00418.34
8.2.120.0000.00826.35
8.2.110.0060.00322.20
8.2.100.0120.00017.97
8.2.90.0000.00817.88
8.2.80.0080.00019.02
8.2.70.0060.00317.63
8.2.60.0030.00617.88
8.2.50.0080.00017.88
8.2.40.0030.00619.60
8.2.30.0040.00418.01
8.2.20.0040.00418.20
8.2.10.0050.00519.38
8.2.00.0000.00718.35
8.1.280.0140.00325.92
8.1.270.0050.00320.25
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00719.52
8.1.230.0070.00722.49
8.1.220.0030.00618.94
8.1.210.0040.00418.77
8.1.200.0040.00617.60
8.1.190.0040.00417.25
8.1.180.0000.00818.10
8.1.170.0000.00717.66
8.1.160.0000.00818.92
8.1.150.0080.00019.03
8.1.140.0000.00819.02
8.1.130.0040.00420.33
8.1.120.0000.00717.57
8.1.110.0040.00417.62
8.1.100.0030.00617.66
8.1.90.0000.00717.70
8.1.80.0070.00317.52
8.1.70.0000.00717.64
8.1.60.0050.00317.85
8.1.50.0040.00417.81
8.1.40.0040.00417.83
8.1.30.0040.00417.92
8.1.20.0030.00617.98
8.1.10.0040.00417.86
8.1.00.0040.00417.78
8.0.300.0040.00418.77
8.0.290.0080.00017.00
8.0.280.0000.00818.33
8.0.270.0000.00718.25
8.0.260.0030.00318.58
8.0.250.0070.00017.16
8.0.240.0060.00317.30
8.0.230.0040.00417.30
8.0.220.0030.00317.16
8.0.210.0040.00417.21
8.0.200.0050.00217.27
8.0.190.0080.00017.29
8.0.180.0000.00817.15
8.0.170.0040.00717.28
8.0.160.0000.00717.25
8.0.150.0090.00017.12
8.0.140.0020.00517.17
8.0.130.0030.00313.68
8.0.120.0040.00417.14
8.0.110.0050.00217.09
8.0.100.0000.00717.25
8.0.90.0000.00817.21
8.0.80.0060.00917.17
8.0.70.0000.00717.01
8.0.60.0050.00217.21
8.0.50.0080.00017.17
8.0.30.0080.00817.39
8.0.20.0030.01717.39
8.0.10.0070.00017.07
8.0.00.0140.00617.08
7.4.330.0050.00016.75
7.4.320.0050.00216.84
7.4.300.0030.00316.89
7.4.290.0030.00316.84
7.4.280.0030.00516.77
7.4.270.0000.00716.88
7.4.260.0070.00016.86
7.4.250.0040.00416.90
7.4.240.0000.00716.88
7.4.230.0030.00516.98
7.4.220.0000.00716.68
7.4.210.0060.00916.77
7.4.200.0040.00416.95
7.4.160.0060.01016.84
7.4.130.0030.01616.63
7.4.120.0070.01316.75
7.4.110.0090.00916.92
7.4.100.0120.00916.88
7.4.90.0090.00916.68
7.4.80.0130.01019.39
7.4.70.0160.00316.75
7.4.60.0060.01516.73
7.4.50.0070.01116.60
7.4.40.0030.01716.72
7.4.10.0040.01115.13
7.4.00.0050.01015.08
7.3.330.0000.00513.49
7.3.320.0000.00713.58
7.3.310.0000.00716.69
7.3.300.0030.00316.51
7.3.290.0110.00416.55
7.3.280.0060.01116.52
7.3.260.0090.01116.86
7.3.240.0090.00916.76
7.3.230.0120.01216.96
7.3.210.0110.00716.68
7.3.200.0060.01316.86
7.3.190.0040.01416.64
7.3.180.0080.00916.93
7.3.170.0070.01016.54
7.3.160.0080.01116.68
7.3.130.0060.00914.75
7.3.120.0090.00815.08
7.3.110.0100.00815.13
7.3.100.0060.01015.21
7.3.90.0060.00715.01
7.3.80.0070.00715.02
7.3.70.0100.00715.14
7.3.60.0090.00615.06
7.3.50.0040.01015.00
7.3.40.0050.01015.08
7.3.30.0110.00415.05
7.3.20.0050.00916.45
7.3.10.0050.00716.43
7.3.00.0080.00816.48
7.2.330.0110.00616.65
7.2.320.0090.00917.00
7.2.310.0130.01016.95
7.2.300.0100.00716.82
7.2.290.0100.01016.87
7.2.260.0000.01515.12
7.2.250.0070.01115.33
7.2.240.0120.00515.34
7.2.230.0060.01015.32
7.2.220.0040.01215.15
7.2.210.0070.00915.03
7.2.200.0080.01015.21
7.2.190.0060.00715.24
7.2.180.0100.00515.20
7.2.170.0070.00815.12
7.2.160.0140.00715.06
7.2.150.0090.00916.02
7.2.140.0140.00516.19
7.2.130.0080.00816.13
7.2.120.0070.00916.15
7.2.110.0040.01116.35
7.2.100.0060.00816.28
7.2.90.0100.00415.97
7.2.80.0070.00716.21
7.2.70.0130.00616.08
7.2.60.0130.00816.30
7.2.50.0100.00616.14
7.2.40.0070.01316.28
7.2.30.0320.00816.32
7.2.20.0120.00416.14
7.2.10.0100.00616.15
7.2.00.0050.01016.08
7.1.330.0070.00915.42
7.1.320.0100.01315.52
7.1.310.0090.00615.27
7.1.300.0090.00715.36
7.1.290.0060.01215.29
7.1.280.0080.00915.42
7.1.270.0100.00515.48
7.1.260.0060.00915.42
7.1.250.0040.01214.84
7.1.240.0120.00814.28
7.1.230.0170.00714.08
7.1.220.0230.00013.99
7.1.210.0120.01213.93
7.1.200.0040.01713.96
7.1.190.0090.01314.11
7.1.180.0210.00014.20
7.1.170.0170.00814.25
7.1.160.0130.01014.04
7.1.150.0210.00614.09
7.1.140.0210.00014.03
7.1.130.0190.00614.26
7.1.120.0130.01614.27
7.1.110.0190.00314.36
7.1.100.0220.00514.28
7.1.90.0180.00914.08
7.1.80.0070.01413.85
7.1.70.0180.00914.21
7.1.60.0090.01214.26
7.1.50.0160.00413.92
7.1.40.0110.00513.63
7.1.30.0180.00014.10
7.1.20.0100.01014.17
7.1.10.0130.00713.96
7.1.00.0110.00414.28
5.6.320.0180.06822.08

preferences:
60.17 ms | 401 KiB | 5 Q