3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_valid_date($value, $format = 'dd.mm.yyyy'){ if(strlen($value) >= 6 && strlen($format) == 10){ // find separator. Remove all other characters from $format $separator_only = str_replace(array('m','d','y'),'', $format); $separator = $separator_only[0]; // separator is first character if($separator && strlen($separator_only) == 2){ // make regex $regexp = str_replace('mm', '(0?[1-9]|1[0-2])', $format); $regexp = str_replace('dd', '(0?[1-9]|[1-2][0-9]|3[0-1])', $regexp); $regexp = str_replace('yyyy', '((?:19|20)\d\d)', $regexp); echo ($regexp."<br>\n"); $regexp = str_replace($separator, "\\" . $separator, $regexp); echo ($regexp."<br>\n"); if($regexp != $value && preg_match('/'.$regexp.'\z/', $value)){ // check date $arr=explode($separator,$value); $day=$arr[0]; $month=$arr[1]; $year=$arr[2]; if(@checkdate($month, $day, $year)) return true; } } } return false; } var_dump(is_valid_date('22.22.2222', 'mm.dd.yyyy')); // returns false var_dump(is_valid_date('11/30/2008', 'mm/dd/yyyy')); // returns true var_dump(is_valid_date('30-01-2008', 'dd-mm-yyyy')); // returns true var_dump(is_valid_date('2008 01 30', 'yyyy mm dd')); // returns true

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)
8.3.60.0160.00618.43
8.3.50.0100.01021.33
8.3.40.0060.00918.96
8.3.30.0090.00619.06
8.3.20.0000.00820.20
8.3.10.0080.00022.10
8.3.00.0040.00422.42
8.2.180.0030.01218.58
8.2.170.0070.00722.96
8.2.160.0030.01020.39
8.2.150.0090.00024.18
8.2.140.0100.01324.66
8.2.130.0090.00626.16
8.2.120.0080.00019.69
8.2.110.0040.00721.28
8.2.100.0080.00418.09
8.2.90.0030.00619.17
8.2.80.0040.00417.97
8.2.70.0080.00417.75
8.2.60.0030.00518.03
8.2.50.0000.00818.07
8.2.40.0050.00318.22
8.2.30.0000.00818.16
8.2.20.0030.00617.99
8.2.10.0050.00317.87
8.2.00.0030.00617.88
8.1.280.0120.00325.92
8.1.270.0080.00020.36
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.02
8.1.230.0060.00620.86
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00717.60
8.1.190.0040.00417.66
8.1.180.0030.00618.59
8.1.170.0040.00418.80
8.1.160.0000.00722.23
8.1.150.0000.00818.86
8.1.140.0050.00317.55
8.1.130.0030.00517.94
8.1.120.0000.00717.49
8.1.110.0030.00817.52
8.1.100.0040.00417.52
8.1.90.0000.00717.64
8.1.80.0000.00817.63
8.1.70.0000.00717.53
8.1.60.0060.00317.73
8.1.50.0040.00417.75
8.1.40.0000.00817.71
8.1.30.0000.00817.80
8.1.20.0060.00317.84
8.1.10.0000.00817.66
8.1.00.0040.00417.56
8.0.300.0040.00418.77
8.0.290.0000.00817.13
8.0.280.0040.00418.43
8.0.270.0040.00417.36
8.0.260.0000.00716.98
8.0.250.0050.00317.21
8.0.240.0040.00417.18
8.0.230.0000.00717.11
8.0.220.0000.00717.14
8.0.210.0000.00717.15
8.0.200.0030.00317.16
8.0.190.0050.00217.13
8.0.180.0060.00317.06
8.0.170.0040.00417.07
8.0.160.0060.00317.02
8.0.150.0040.00417.13
8.0.140.0000.00817.14
8.0.130.0000.00613.59
8.0.120.0080.00017.09
8.0.110.0000.00817.10
8.0.100.0000.00817.17
8.0.90.0000.00816.96
8.0.80.0160.00017.13
8.0.70.0080.00017.17
8.0.60.0040.00417.21
8.0.50.0050.00217.02
8.0.30.0130.01017.31
8.0.20.0180.00717.41
8.0.10.0040.00417.14
8.0.00.0100.00916.96
7.4.330.0030.00315.00
7.4.320.0000.00616.67
7.4.300.0030.00316.74
7.4.290.0050.00316.89
7.4.280.0040.00416.85
7.4.270.0070.00016.75
7.4.260.0000.00716.75
7.4.250.0000.00816.64
7.4.240.0040.00416.84
7.4.230.0000.00716.64
7.4.220.0130.00616.80
7.4.210.0060.01016.81
7.4.200.0000.00716.58
7.4.190.0040.00416.87
7.4.160.0100.00716.68
7.4.150.0090.00917.40
7.4.140.0140.00517.86
7.4.130.0100.01016.69
7.4.120.0140.00816.70
7.4.110.0060.01116.63
7.4.100.0070.01716.63
7.4.90.0040.01316.68
7.4.80.0100.01019.39
7.4.70.0130.00416.84
7.4.60.0110.00716.66
7.4.50.0060.00016.61
7.4.40.0070.01022.77
7.4.30.0110.01616.62
7.4.00.0150.00015.14
7.3.330.0000.00513.47
7.3.320.0000.00613.32
7.3.310.0000.00716.36
7.3.300.0000.00716.54
7.3.290.0090.00616.54
7.3.280.0090.01116.50
7.3.270.0070.01117.40
7.3.260.0150.00916.53
7.3.250.0080.01316.87
7.3.240.0150.00316.61
7.3.230.0070.01116.63
7.3.210.0040.01816.79
7.3.200.0100.01019.39
7.3.190.0100.01316.59
7.3.180.0040.01216.87
7.3.170.0110.00516.55
7.3.160.0060.01116.85
7.3.120.0060.00615.04
7.2.330.0060.01116.89
7.2.320.0110.00716.96
7.2.310.0100.01417.00
7.2.300.0110.00716.89
7.2.290.0090.00916.94
7.2.60.0080.00816.97
7.2.00.0060.00619.75
7.1.200.0110.00416.20
7.1.100.0000.01218.59
7.1.70.0050.00217.33
7.1.60.0130.01319.82
7.1.50.0060.01616.98
7.1.00.0030.03322.43
7.0.200.0000.01017.01
7.0.140.0100.07021.95
7.0.60.0330.07019.80
7.0.50.0000.08017.93
7.0.40.0170.03320.18
7.0.30.0100.06020.11
7.0.20.0270.03720.11
7.0.10.0330.07720.09
7.0.00.0100.07720.19
5.6.280.0000.07721.11
5.6.210.0100.04720.52
5.6.200.0070.06018.20
5.6.190.0000.10320.35
5.6.180.3100.04720.55
5.6.170.0400.07020.50
5.6.160.0000.06720.50
5.6.150.0070.07018.23
5.6.140.0130.07718.16
5.6.130.0130.07718.21
5.6.120.0030.04721.04
5.6.110.0000.09021.13
5.6.100.0030.04720.90
5.6.90.0030.04321.03
5.6.80.0000.06320.40
5.5.350.0230.06020.45
5.5.340.0030.04017.95
5.5.330.0130.04720.29
5.5.320.0170.05720.20
5.5.310.0230.06320.27
5.5.300.0100.07718.05
5.5.290.0070.08017.95
5.5.280.0170.07720.89
5.5.270.0100.09020.86
5.5.260.0100.08720.86
5.5.250.0130.07320.56
5.5.240.0270.06720.25
5.4.450.1000.07319.31
5.4.440.0770.05719.39
5.4.430.0800.05319.16
5.4.420.0130.05719.46
5.4.410.0830.07319.45
5.4.400.0170.06718.84
5.4.390.1170.07018.79
5.4.380.0200.05718.58
5.4.370.0170.05018.72
5.4.360.0100.05718.69
5.4.350.0060.03512.03
5.4.340.0080.03612.03
5.4.320.0080.03912.52
5.4.310.0040.03912.51
5.4.300.0060.03812.52
5.4.290.0050.03812.51
5.4.280.0050.03612.41
5.4.270.0070.03712.41
5.4.260.0070.04112.41
5.4.250.0130.04718.91
5.4.240.0130.05018.93
5.4.230.0100.05018.88
5.4.220.0070.05718.91
5.4.210.0100.07318.96
5.4.200.0030.05719.00
5.4.190.0070.05318.68
5.4.180.0100.05018.97
5.4.170.0130.05019.05
5.4.160.0070.05318.71
5.4.150.0000.06318.95
5.4.140.0030.05316.61
5.4.130.0070.04716.64
5.4.120.0070.07316.44
5.4.110.0070.05316.53
5.4.100.0130.04316.45
5.4.90.0100.04316.57
5.4.80.0030.05016.38
5.4.70.0100.04716.45
5.4.60.0130.05016.46
5.4.50.0130.05016.46
5.4.40.0070.05016.60
5.4.30.0100.05016.29
5.4.20.0070.05016.48
5.4.10.0100.04716.41
5.4.00.0070.04716.03
5.3.290.0040.04812.80
5.3.280.0130.04714.61
5.3.270.0200.06014.70
5.3.260.0100.07714.71
5.3.250.0070.07714.64
5.3.240.0130.04714.64
5.3.230.0070.05014.60
5.3.220.0030.05314.55
5.3.210.0130.05014.68
5.3.200.0230.03714.73
5.3.190.0170.04314.68
5.3.180.0130.04714.67
5.3.170.0030.05314.67
5.3.160.0100.05314.75
5.3.150.0200.04014.76
5.3.140.0070.05014.65
5.3.130.0070.05714.70
5.3.120.0070.05014.65
5.3.110.0070.05314.55
5.3.100.0130.06713.88
5.3.90.0030.05714.02
5.3.80.0130.04714.02
5.3.70.0100.04314.09
5.3.60.0070.04714.00
5.3.50.0100.04314.04
5.3.40.0030.05014.15
5.3.30.0100.04313.99
5.3.20.0070.04713.88
5.3.10.0100.06313.65
5.3.00.0100.05713.73
5.2.170.0030.04311.13
5.2.160.0070.04311.24
5.2.150.0100.05711.23
5.2.140.0100.04011.24
5.2.130.0130.03311.14
5.2.120.0100.03711.02
5.2.110.0030.04311.12
5.2.100.0070.04011.19
5.2.90.0100.03311.10
5.2.80.0100.05311.18
5.2.70.0030.06011.33
5.2.60.0070.04011.05
5.2.50.0000.04311.20
5.2.40.0070.03711.00
5.2.30.0070.04011.07
5.2.20.0030.04311.00
5.2.10.0100.03311.04
5.2.00.0070.04010.92
5.1.60.0030.03310.17
5.1.50.0100.03310.10
5.1.40.0070.03310.00
5.1.30.0100.03010.53
5.1.20.0030.04310.45
5.1.10.0100.03010.08
5.1.00.0070.03310.33
5.0.50.0030.0308.56
5.0.40.0000.0308.43
5.0.30.0100.0408.25
5.0.20.0030.0278.28
5.0.10.0000.0408.03
5.0.00.0100.0338.42
4.4.90.0070.0206.07
4.4.80.0000.0236.07
4.4.70.0030.0206.07
4.4.60.0030.0206.07
4.4.50.0000.0236.07
4.4.40.0100.0276.07
4.4.30.0030.0236.07
4.4.20.0030.0276.07
4.4.10.0000.0236.07
4.4.00.0030.0306.07
4.3.110.0030.0236.07
4.3.100.0000.0236.07
4.3.90.0000.0236.07
4.3.80.0030.0306.07
4.3.70.0070.0136.07
4.3.60.0070.0276.07
4.3.50.0100.0136.07
4.3.40.0000.0336.07
4.3.30.0070.0176.07
4.3.20.0030.0206.07
4.3.10.0030.0206.07
4.3.00.0100.0237.11

preferences:
42.5 ms | 401 KiB | 5 Q