3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = [ [ 'blah' => 'reference', ], [ 'A' => 'SMI13', 'B' => '03/12/1940', 'C' => '', ] ]; foreach($data as &$record){ foreach($record as $key => $val){ //you might want to consider using preg_replace_callback instead: if(preg_match("/^(((0[13578]|1[02])\/(0[1-9]|[12]\d|3[01])\/((19|[2-9]\d)\d{2}))|((0[13456789]|1[012])\/(0[1-9]|[12]\d|30)\/((19|[2-9]\d)\d{2}))|(02\/(0[1-9]|1\d|2[0-8])\/((19|[2-9]\d)\d{2}))|(02\/29\/((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))))$/",$val)) { echo "match! $val \n"; $record [$key] = date("Y-m-d", strtotime($val)); } } } unset($record); var_dump($data);

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)
8.3.60.0140.00718.68
8.3.50.0120.00318.63
8.3.40.0070.00719.21
8.3.30.0150.00019.09
8.3.20.0040.00419.10
8.3.10.0040.00421.95
8.3.00.0050.00223.61
8.2.180.0130.00918.71
8.2.170.0040.01822.96
8.2.160.0120.00922.14
8.2.150.0080.00024.18
8.2.140.0050.00224.66
8.2.130.0000.00821.13
8.2.120.0000.00826.35
8.2.110.0060.00319.14
8.2.100.0040.00818.01
8.2.90.0000.00818.22
8.2.80.0080.00018.17
8.2.70.0050.00318.05
8.2.60.0050.00318.28
8.2.50.0030.00618.10
8.2.40.0030.00519.55
8.2.30.0030.00620.74
8.2.20.0000.01518.40
8.2.10.0000.00718.31
8.2.00.0040.00418.41
8.1.280.0090.00625.92
8.1.270.0120.00320.36
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0070.00319.64
8.1.230.0060.00621.16
8.1.220.0050.00317.91
8.1.210.0040.00419.07
8.1.200.0040.00417.85
8.1.190.0060.00317.50
8.1.180.0030.00518.10
8.1.170.0080.00019.03
8.1.160.0040.00419.00
8.1.150.0030.00618.96
8.1.140.0000.00819.07
8.1.130.0070.00020.21
8.1.120.0000.00717.73
8.1.110.0030.00617.87
8.1.100.0000.00717.73
8.1.90.0000.00717.81
8.1.80.0050.00317.73
8.1.70.0040.00417.85
8.1.60.0040.00417.78
8.1.50.0030.00617.72
8.1.40.0040.00417.78
8.1.30.0000.00817.98
8.1.20.0060.00317.80
8.1.10.0000.00717.80
8.1.00.0050.00317.89
8.0.300.0080.00019.96
8.0.290.0070.00417.13
8.0.280.0040.00418.50
8.0.270.0000.00717.36
8.0.260.0030.00320.05
8.0.250.0000.00817.31
8.0.240.0030.00517.25
8.0.230.0000.00717.23
8.0.220.0030.00617.18
8.0.210.0000.00717.15
8.0.200.0040.00417.27
8.0.190.0050.00217.42
8.0.180.0000.00817.34
8.0.170.0040.00417.36
8.0.160.0040.00417.17
8.0.150.0030.00517.18
8.0.140.0040.00417.24
8.0.130.0000.00613.62
8.0.120.0000.00717.32
8.0.110.0040.00417.14
8.0.100.0000.00817.38
8.0.90.0020.00517.17
8.0.80.0080.01117.29
8.0.70.0040.00417.30
8.0.60.0000.00817.40
8.0.50.0000.00717.20
8.0.30.0120.00917.55
8.0.20.0120.00817.63
8.0.10.0000.00717.37
8.0.00.0130.00817.14
7.4.330.0030.00315.55
7.4.320.0060.00016.95
7.4.300.0060.00017.03
7.4.290.0030.00516.83
7.4.280.0050.00317.02
7.4.270.0000.00717.02
7.4.260.0060.00516.86
7.4.250.0000.00716.92
7.4.240.0000.00817.00
7.4.230.0040.00416.87
7.4.220.0040.00417.09
7.4.210.0050.00916.96
7.4.200.0000.00717.08
7.4.160.0100.00916.93
7.4.140.0100.00917.86
7.4.130.0100.00717.13
7.4.120.0090.00916.96
7.4.110.0100.01616.91
7.4.100.0140.00517.00
7.4.90.0120.00617.13
7.4.80.0030.01319.39
7.4.70.0100.00716.89
7.4.60.0090.00917.02
7.4.50.0040.01617.04
7.4.40.0120.01217.13
7.4.00.0120.00615.03
7.3.330.0000.00513.52
7.3.320.0060.00013.53
7.3.310.0050.00216.66
7.3.300.0030.00316.67
7.3.290.0050.00216.59
7.3.280.0070.00716.63
7.3.260.0130.00716.75
7.3.240.0110.00816.86
7.3.230.0030.01517.13
7.3.210.0100.01316.73
7.3.200.0110.00516.86
7.3.190.0060.01216.75
7.3.180.0130.00316.71
7.3.170.0090.00916.64
7.3.160.0070.01116.69
7.2.330.0150.00416.88
7.2.320.0060.01317.00
7.2.310.0030.01816.95
7.2.300.0090.00917.09
7.2.290.0110.00417.02
7.2.100.0770.00914.84
7.2.90.0730.00715.17
7.2.80.0960.00714.99
7.2.70.1030.01015.46
7.2.60.1100.00415.44
7.2.50.0660.01315.55
7.2.40.0730.00715.27
7.2.30.0870.00015.53
7.2.20.0690.00315.37
7.2.10.0830.00315.50
7.2.00.0930.01315.24
7.1.220.0810.00314.48
7.1.210.0880.01014.36
7.1.200.0770.00614.18
7.1.190.0960.00714.48
7.1.180.0960.00714.50
7.1.170.0710.00914.32
7.1.160.0930.00314.46
7.1.150.0820.00914.53
7.1.140.0950.01014.14
7.1.130.0960.00314.30
7.1.120.0850.01214.22
7.1.110.0750.01014.19
7.1.100.0740.00614.16
7.1.90.1410.01014.47
7.1.80.0880.00714.54
7.1.70.0890.01014.55
7.1.60.1370.01732.34
7.1.50.1160.00332.54
7.1.40.1060.00332.28
7.1.30.1000.00932.30
7.1.20.1240.00932.36
7.1.10.1050.00614.03
7.1.00.1190.00314.32
5.6.380.0090.00914.53

preferences:
62.42 ms | 400 KiB | 5 Q