3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = [ [ 'a' => '12-02-1972', 'b' => 'bleh' ], [ 'a' => '2011-11-11', 'b' => 'bleh' ], [ 'a' => '12-12-1922', 'b' => 'bleh' ] ]; foreach($data as $k=>$v){ foreach($v as $key =>$val){ 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!"; preg_replace("/^(((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))))$/", "/^((((19|[2-9]\d)\d{2})\/(0[13578]|1[02])\/(0[1-9]|[12]\d|3[01]))|(((19|[2-9]\d)\d{2})\/(0[13456789]|1[012])\/(0[1-9]|[12]\d|30))|(((19|[2-9]\d)\d{2})\/02\/(0[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))\/02\/29))$/",$val); } } } print_r($v); echo $v .'<br>';

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)
8.3.60.0110.01118.80
8.3.50.0140.00718.70
8.3.40.0000.01518.90
8.3.30.0090.00619.01
8.3.20.0060.00318.85
8.3.10.0080.00021.87
8.3.00.0000.00723.61
8.2.180.0070.01418.42
8.2.170.0110.00422.96
8.2.160.0110.00322.21
8.2.150.0150.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00821.06
8.2.120.0080.00026.35
8.2.110.0070.00421.10
8.2.100.0090.00318.09
8.2.90.0040.00418.28
8.2.80.0040.00419.03
8.2.70.0040.00417.80
8.2.60.0080.00018.22
8.2.50.0030.00518.10
8.2.40.0040.00421.15
8.2.30.0040.00420.61
8.2.20.0060.00318.25
8.2.10.0050.00318.32
8.2.00.0030.00518.39
8.1.280.0070.00725.92
8.1.270.0040.01520.66
8.1.260.0040.00426.35
8.1.250.0070.00328.09
8.1.240.0080.00022.07
8.1.230.0110.00021.00
8.1.220.0000.00817.79
8.1.210.0040.00418.83
8.1.200.0120.00017.48
8.1.190.0060.00317.47
8.1.180.0050.00318.10
8.1.170.0080.00018.71
8.1.160.0000.00718.96
8.1.150.0040.00419.00
8.1.140.0040.00418.89
8.1.130.0070.00020.31
8.1.120.0050.00217.54
8.1.110.0040.00417.62
8.1.100.0000.00717.66
8.1.90.0050.00317.59
8.1.80.0000.00917.59
8.1.70.0040.00417.64
8.1.60.0040.00417.74
8.1.50.0030.00917.55
8.1.40.0000.00817.63
8.1.30.0050.00617.73
8.1.20.0050.00217.87
8.1.10.0080.00017.57
8.1.00.0040.00417.64
8.0.300.0040.00420.26
8.0.290.0000.00817.00
8.0.280.0070.00018.41
8.0.270.0050.00217.18
8.0.260.0070.00018.50
8.0.250.0080.00017.07
8.0.240.0040.00417.05
8.0.230.0030.00517.10
8.0.220.0030.00317.09
8.0.210.0040.00417.02
8.0.200.0070.00017.18
8.0.190.0040.00417.08
8.0.180.0040.00417.17
8.0.170.0080.00017.18
8.0.160.0050.00317.02
8.0.150.0000.00816.99
8.0.140.0040.00417.08
8.0.130.0060.00013.53
8.0.120.0030.00517.11
8.0.110.0050.00217.25
8.0.100.0070.00017.19
8.0.90.0040.00417.05
8.0.80.0080.00817.18
8.0.70.0070.00017.06
8.0.60.0000.00716.99
8.0.50.0040.00417.13
8.0.30.0130.00617.30
8.0.20.0160.00317.40
8.0.10.0040.00417.19
8.0.00.0110.00917.19
7.4.330.0000.00515.55
7.4.320.0000.00716.96
7.4.300.0000.00616.80
7.4.290.0000.00716.80
7.4.280.0040.00416.69
7.4.270.0050.00316.90
7.4.260.0030.00616.89
7.4.250.0030.00616.80
7.4.240.0030.00316.80
7.4.230.0030.00316.71
7.4.220.0070.00016.93
7.4.210.0080.01016.83
7.4.200.0040.00416.55
7.4.160.0080.01016.67
7.4.140.0150.00817.86
7.4.130.0140.01216.60
7.4.120.0100.00916.71
7.4.110.0140.00316.57
7.4.100.0160.00016.71
7.4.90.0070.01116.75
7.4.80.0140.00719.39
7.4.70.0030.02016.77
7.4.60.0100.00916.65
7.4.50.0100.00716.83
7.4.40.0060.01416.71
7.4.00.0070.01115.38
7.3.330.0000.00513.35
7.3.320.0000.00513.30
7.3.310.0030.00316.61
7.3.300.0040.00416.45
7.3.290.0030.00316.42
7.3.280.0090.00616.29
7.3.260.0120.00916.62
7.3.240.0070.01316.78
7.3.230.0140.00416.71
7.3.210.0090.00916.43
7.3.200.0070.01016.50
7.3.190.0050.01316.61
7.3.180.0060.00916.86
7.3.170.0120.00616.56
7.3.160.0080.00816.77
7.3.10.0070.00416.90
7.3.00.0000.00916.62
7.2.330.0060.01516.87
7.2.320.0150.00816.85
7.2.310.0090.00916.88
7.2.300.0070.01016.58
7.2.290.0060.01716.84
7.2.130.0090.00317.07
7.2.120.0060.00917.11
7.2.110.0030.00917.04
7.2.100.0380.00415.85
7.2.90.0100.00815.93
7.2.80.1090.00515.95
7.2.70.1680.01015.90
7.2.60.0190.00916.00
7.2.50.1630.00816.21
7.2.40.0700.00916.01
7.2.30.1600.00315.82
7.2.20.1470.00516.23
7.2.10.1930.00616.12
7.2.00.1350.00616.11
7.1.250.0130.00015.88
7.1.220.1610.01013.99
7.1.210.0160.00214.23
7.1.200.0570.00914.24
7.1.190.1670.00613.80
7.1.180.0120.00714.05
7.1.170.0180.00313.85
7.1.160.2700.01214.11
7.1.150.1520.00314.24
7.1.140.3590.00614.02
7.1.130.3190.01014.07
7.1.120.2850.00914.04
7.1.110.3360.01013.96
7.1.100.3390.00613.95
7.1.90.4180.00313.92
7.1.80.2850.00313.95
7.1.70.1470.00613.92
7.1.60.0280.01431.88
7.1.50.0660.01532.10
7.1.40.0280.01132.24
7.1.30.0880.01031.88
7.1.20.0280.00831.77
7.1.10.0080.00814.15
7.1.00.0120.00314.23
5.6.380.0090.00914.14

preferences:
37.81 ms | 400 KiB | 5 Q