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($val)); } } } var_dump($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)
8.3.60.0110.01118.93
8.3.50.0060.01518.58
8.3.40.0160.00619.22
8.3.30.0060.00919.16
8.3.20.0040.00419.13
8.3.10.0040.00421.95
8.3.00.0040.00423.48
8.2.180.0190.00025.92
8.2.170.0110.00419.39
8.2.160.0150.00022.96
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0040.00420.92
8.2.120.0050.00326.35
8.2.110.0060.00321.16
8.2.100.0070.00418.14
8.2.90.0060.00318.22
8.2.80.0080.00018.16
8.2.70.0030.00517.93
8.2.60.0040.00418.16
8.2.50.0040.00418.10
8.2.40.0030.00621.30
8.2.30.0000.00720.69
8.2.20.0070.00418.22
8.2.10.0030.00618.17
8.2.00.0030.00618.48
8.1.280.0110.01125.92
8.1.270.0040.00420.38
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00022.30
8.1.230.0090.00321.00
8.1.220.0000.00918.03
8.1.210.0080.00019.13
8.1.200.0030.00617.85
8.1.190.0040.00417.85
8.1.180.0040.00418.10
8.1.170.0000.00818.96
8.1.160.0070.00019.21
8.1.150.0040.00419.07
8.1.140.0000.00819.19
8.1.130.0000.00720.38
8.1.120.0000.00817.81
8.1.110.0030.00617.82
8.1.100.0030.00517.80
8.1.90.0040.00417.86
8.1.80.0000.00817.76
8.1.70.0000.00717.79
8.1.60.0040.00417.79
8.1.50.0040.00417.85
8.1.40.0000.00917.84
8.1.30.0030.00518.07
8.1.20.0000.00817.93
8.1.10.0040.00417.87
8.1.00.0000.00817.92
8.0.300.0040.00420.03
8.0.290.0030.00617.13
8.0.280.0060.00318.63
8.0.270.0030.00317.39
8.0.260.0040.00418.59
8.0.250.0000.00717.26
8.0.240.0040.00417.38
8.0.230.0040.00417.38
8.0.220.0060.00317.18
8.0.210.0000.00717.17
8.0.200.0040.00417.27
8.0.190.0050.00317.35
8.0.180.0040.00417.27
8.0.170.0030.00517.16
8.0.160.0070.00017.27
8.0.150.0020.00517.24
8.0.140.0000.00817.22
8.0.130.0070.00013.59
8.0.120.0040.00417.34
8.0.110.0040.00417.40
8.0.100.0070.00017.23
8.0.90.0050.00317.41
8.0.80.0100.01317.28
8.0.70.0040.00417.32
8.0.60.0030.00617.34
8.0.50.0070.00017.20
8.0.30.0080.01117.41
8.0.20.0140.00617.68
8.0.10.0030.00617.34
8.0.00.0130.00717.08
7.4.330.0060.00015.55
7.4.320.0000.00717.07
7.4.300.0060.00016.95
7.4.290.0070.00016.93
7.4.280.0040.00417.09
7.4.270.0000.00717.04
7.4.260.0030.00616.93
7.4.250.0070.00016.97
7.4.240.0020.00517.10
7.4.230.0000.00817.11
7.4.220.0060.00316.76
7.4.210.0120.00416.97
7.4.200.0030.00316.95
7.4.160.0100.00717.05
7.4.140.0110.00717.86
7.4.130.0110.00617.00
7.4.120.0070.01116.93
7.4.110.0100.01317.02
7.4.100.0110.00717.13
7.4.90.0130.01016.90
7.4.80.0080.00819.39
7.4.70.0080.00816.94
7.4.60.0070.01016.84
7.4.50.0040.01116.87
7.4.40.0130.00317.08
7.4.00.0100.00715.31
7.3.330.0000.00513.45
7.3.320.0030.00313.53
7.3.310.0040.00416.50
7.3.300.0000.00716.66
7.3.290.0020.00516.64
7.3.280.0100.00716.61
7.3.260.0090.01216.75
7.3.240.0130.00616.90
7.3.230.0120.00617.04
7.3.210.0130.00616.70
7.3.200.0150.00616.85
7.3.190.0100.00716.71
7.3.180.0060.01616.77
7.3.170.0100.01316.71
7.3.160.0110.00617.01
7.2.330.0040.01516.96
7.2.320.0060.01317.03
7.2.310.0070.01117.14
7.2.300.0070.01117.04
7.2.290.0120.00416.94
7.2.110.0080.01117.08
7.2.100.1360.01315.23
7.2.90.1540.01015.25
7.2.80.0970.00615.06
7.2.70.2330.01015.31
7.2.60.1120.00315.31
7.2.50.1610.00615.35
7.2.40.1440.00715.46
7.2.30.1560.01315.48
7.2.20.0990.01615.40
7.2.10.0730.00715.41
7.2.00.1570.00315.46
7.1.220.1430.00914.41
7.1.210.1270.00714.07
7.1.200.1330.01014.57
7.1.190.1600.01014.37
7.1.180.1210.01014.26
7.1.170.0960.01014.33
7.1.160.1430.00714.41
7.1.150.1930.00314.11
7.1.140.1050.00314.39
7.1.130.0810.00313.88
7.1.120.1450.00614.26
7.1.110.0850.00614.38
7.1.100.1560.00714.16
7.1.90.1830.00714.13
7.1.80.1200.01314.46
7.1.70.1320.01014.27
7.1.60.2020.01632.35
7.1.50.2570.01332.39
7.1.40.2880.01032.40
7.1.30.2440.00632.00
7.1.20.1750.01732.32
7.1.10.2340.00714.29
7.1.00.1770.00314.20
5.6.380.0070.01114.36

preferences:
58.94 ms | 400 KiB | 5 Q