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)?[0-9][0-9]', $regexp); echo ($regexp); $regexp = str_replace($separator, "\\" . $separator, $regexp); echo ($regexp); 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)
8.3.60.0060.01018.68
8.3.50.0120.00516.71
8.3.40.0120.00919.07
8.3.30.0160.00018.96
8.3.20.0030.00519.03
8.3.10.0050.00320.64
8.3.00.0150.00419.50
8.2.180.0110.01116.73
8.2.170.0120.00622.96
8.2.160.0100.00322.33
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.01319.88
8.2.110.0030.00721.16
8.2.100.0060.00618.03
8.2.90.0040.00419.21
8.2.80.0000.00817.93
8.2.70.0030.00617.75
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0000.00818.22
8.2.30.0000.00718.24
8.2.20.0040.00417.97
8.2.10.0050.00317.96
8.2.00.0040.00417.87
8.1.280.0120.00625.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0100.00020.95
8.1.230.0040.00821.06
8.1.220.0030.00517.78
8.1.210.0000.00919.09
8.1.200.0030.00617.38
8.1.190.0040.00417.64
8.1.180.0000.00918.10
8.1.170.0040.00418.88
8.1.160.0000.00718.86
8.1.150.0030.00518.84
8.1.140.0050.00317.57
8.1.130.0000.00817.91
8.1.120.0070.00017.57
8.1.110.0090.00017.53
8.1.100.0000.00917.60
8.1.90.0070.00017.70
8.1.80.0050.00317.53
8.1.70.0040.00417.64
8.1.60.0000.00917.61
8.1.50.0090.00017.57
8.1.40.0060.00517.73
8.1.30.0000.00817.80
8.1.20.0000.00817.93
8.1.10.0030.00617.66
8.1.00.0000.00817.69
8.0.300.0060.00320.06
8.0.290.0060.00317.13
8.0.280.0070.00018.43
8.0.270.0040.00417.24
8.0.260.0030.00317.06
8.0.250.0000.00717.11
8.0.240.0080.00417.22
8.0.230.0030.00317.24
8.0.220.0030.00317.14
8.0.210.0000.00717.03
8.0.200.0000.00717.19
8.0.190.0040.00417.20
8.0.180.0000.00817.10
8.0.170.0060.00317.17
8.0.160.0000.00717.11
8.0.150.0060.00317.09
8.0.140.0030.00517.00
8.0.130.0030.00313.65
8.0.120.0000.00817.07
8.0.110.0000.00717.03
8.0.100.0000.00717.18
8.0.90.0040.00416.96
8.0.80.0090.00917.04
8.0.70.0050.00217.23
8.0.60.0040.00417.16
8.0.50.0050.00317.14
8.0.30.0060.01317.35
8.0.20.0100.00917.40
8.0.10.0040.00417.25
8.0.00.0100.00817.02
7.4.330.0000.00613.43
7.4.320.0030.00316.84
7.4.300.0030.00316.75
7.4.290.0040.00416.78
7.4.280.0030.00616.70
7.4.270.0030.00316.75
7.4.260.0030.00313.46
7.4.250.0040.00416.70
7.4.240.0030.00616.87
7.4.230.0000.00716.69
7.4.220.0060.01316.87
7.4.210.0090.00816.79
7.4.200.0070.00016.68
7.4.190.0030.00316.74
7.4.160.0120.00316.72
7.4.150.0160.00317.40
7.4.140.0070.01517.35
7.4.130.0130.00816.86
7.4.120.0090.01016.78
7.4.110.0030.01416.87
7.4.100.0070.01016.77
7.4.90.0110.01116.80
7.4.80.0040.01218.80
7.4.70.0100.00716.95
7.4.60.0180.00616.73
7.4.50.0030.00616.70
7.4.40.0120.00322.27
7.4.30.0170.00016.66
7.4.10.0080.00815.30
7.4.00.0070.01015.15
7.3.330.0040.00413.32
7.3.320.0060.00013.29
7.3.310.0000.00716.40
7.3.300.0070.00016.54
7.3.290.0060.01516.53
7.3.280.0060.00916.52
7.3.270.0130.00417.40
7.3.260.0110.01118.24
7.3.250.0190.00016.71
7.3.240.0100.00716.85
7.3.230.0160.00316.72
7.3.210.0140.00316.96
7.3.200.0100.01119.39
7.3.190.0110.01116.82
7.3.180.0030.01316.61
7.3.170.0150.00316.60
7.3.160.0030.01316.68
7.3.130.0000.01315.26
7.3.120.0060.00915.21
7.3.110.0070.01015.17
7.3.100.0030.01315.20
7.3.90.0030.01215.26
7.3.80.0040.01114.92
7.3.70.0060.00914.88
7.3.60.0040.00915.13
7.3.50.0090.00314.75
7.3.40.0070.00415.10
7.3.30.0090.00615.07
7.3.20.0110.00016.90
7.3.10.0070.00716.71
7.3.00.0080.00616.78
7.2.330.0040.01616.85
7.2.320.0090.00916.91
7.2.310.0080.01116.98
7.2.300.0070.01016.78
7.2.290.0030.01416.73
7.2.260.0000.01615.34
7.2.250.0040.00815.49
7.2.240.0030.01215.23
7.2.230.0060.00915.20
7.2.220.0040.00715.16
7.2.210.0070.00715.21
7.2.200.0000.01215.41
7.2.190.0030.01015.34
7.2.180.0080.00315.32
7.2.170.0000.01015.14
7.2.160.0030.01015.25
7.2.150.0080.00817.18
7.2.140.0070.01117.26
7.2.130.0050.00917.00
7.2.120.0140.00417.01
7.2.110.0070.00517.17
7.2.100.0090.00816.89
7.2.90.0100.00317.07
7.2.80.0060.01017.15
7.2.70.0030.01217.12
7.2.60.0060.00517.04
7.2.50.0090.00616.88
7.2.40.0030.01217.14
7.2.30.0080.00916.88
7.2.20.0130.00817.03
7.2.10.0200.00717.01
7.2.00.0090.00918.01
7.1.330.0070.01015.98
7.1.320.0000.01216.01
7.1.310.0040.00715.94
7.1.300.0100.00315.90
7.1.290.0030.00915.71
7.1.280.0060.00615.97
7.1.270.0090.00616.07
7.1.260.0100.00316.21
7.1.250.0080.00415.72
7.1.240.0060.00615.59
7.1.230.0000.01716.05
7.1.220.0040.00416.10
7.1.210.0060.00916.10
7.1.200.0150.00316.13
7.1.190.0060.00615.88
7.1.180.0000.00815.72
7.1.170.0050.00515.91
7.1.160.0000.00816.10
7.1.150.0000.00915.75
7.1.140.0060.00615.68
7.1.130.0120.00315.88
7.1.120.0000.01616.00
7.1.110.0000.01316.13
7.1.100.0090.00517.27
7.1.90.0030.01315.87
7.1.80.0000.01215.84
7.1.70.0050.00816.79
7.1.60.0100.01017.74
7.1.50.0090.00916.59
7.1.40.0000.01115.85
7.1.30.0080.00415.95
7.1.20.0060.00915.88
7.1.10.0110.00415.94
7.1.00.0050.03719.12
7.0.330.0070.00715.28
7.0.320.0120.00015.36
7.0.310.0120.00015.57
7.0.300.0070.00415.72
7.0.290.0060.00615.54
7.0.280.0040.00815.73
7.0.270.0060.00615.63
7.0.260.0000.01415.68
7.0.250.0030.00615.68
7.0.240.0040.00815.80
7.0.230.0000.01415.27
7.0.220.0060.00915.55
7.0.210.0060.00615.68
7.0.200.0000.01216.28
7.0.190.0030.00715.58
7.0.180.0040.00815.56
7.0.170.0000.01215.47
7.0.160.0000.01315.71
7.0.150.0100.00315.31
7.0.140.0050.03718.74
7.0.130.0060.00615.68
7.0.120.0080.00415.70
7.0.110.0080.00615.70
7.0.100.0030.01015.55
7.0.90.0030.01115.20
7.0.80.0030.01315.57
7.0.70.0060.00615.66
7.0.60.0060.02518.49
7.0.50.0050.03618.92
7.0.40.0050.02416.76
7.0.30.0020.04616.97
7.0.20.0050.02816.73
7.0.10.0030.04016.78
7.0.00.0020.02716.84
5.6.400.0080.00014.48
5.6.390.0060.00314.14
5.6.380.0040.00414.75
5.6.370.0130.00014.59
5.6.360.0000.01014.47
5.6.350.0080.00314.78
5.6.340.0060.00614.54
5.6.330.0040.00714.66
5.6.320.0000.01014.30
5.6.310.0030.01014.76
5.6.300.0060.00914.76
5.6.290.0030.01014.54
5.6.280.0030.04217.88
5.6.270.0060.00614.62
5.6.260.0040.00814.64
5.6.250.0000.01014.38
5.6.240.0060.01014.38
5.6.230.0000.01814.54
5.6.220.0070.00714.30
5.6.210.0110.03317.33
5.6.200.0080.02817.80
5.6.190.0050.02717.72
5.6.180.0020.03617.63
5.6.170.0080.03717.78
5.6.160.0050.04217.75
5.6.150.0020.04417.81
5.6.140.0060.02517.62
5.6.130.0070.02217.83
5.6.120.0020.04917.78
5.6.110.0030.04617.79
5.6.100.0080.03517.67
5.6.90.0060.03317.78
5.6.80.0020.04517.48
5.6.70.0070.02217.43
5.6.60.0030.02517.24
5.6.50.0070.03517.44
5.6.40.0050.03517.41
5.6.30.0040.02917.37
5.6.20.0070.02817.41
5.6.10.0060.02117.27
5.6.00.0060.02117.53
5.5.380.0060.00614.29
5.5.370.0090.00914.26
5.5.360.0000.01414.63
5.5.350.0030.04517.43
5.5.340.0080.02817.69
5.5.330.0030.03317.60
5.5.320.0030.03617.53
5.5.310.0050.02717.75
5.5.300.0030.03817.79
5.5.290.0070.02717.53
5.5.280.0030.03017.53
5.5.270.0030.03517.61
5.5.260.0050.04517.62
5.5.250.0020.04817.49
5.5.240.0050.02617.51
5.5.230.0070.02017.32
5.5.220.0020.03117.23
5.5.210.0050.02517.21
5.5.200.0030.03517.39
5.5.190.0070.02017.30
5.5.180.0080.02817.30
5.5.170.0080.00314.46
5.5.160.0070.03217.23
5.5.150.0050.02317.22
5.5.140.0060.03017.33
5.5.130.0020.04617.33
5.5.120.0060.03917.23
5.5.110.0050.03817.30
5.5.100.0050.02317.28
5.5.90.0030.02317.24
5.5.80.0040.02017.30
5.5.70.0000.02517.24
5.5.60.0050.01917.26
5.5.50.0050.02017.27
5.5.40.0010.02117.08
5.5.30.0020.02317.09
5.5.20.0060.01917.10
5.5.10.0070.02417.20
5.5.00.0020.02617.22
5.4.450.0040.02615.18
5.4.440.0020.03815.44
5.4.430.0050.03515.43
5.4.420.0070.02915.44
5.4.410.0070.04415.18
5.4.400.0020.03415.28
5.4.390.0070.02015.12
5.4.380.0010.02415.21
5.4.370.0020.03515.09
5.4.360.0030.02814.97
5.4.350.0050.04315.34
5.4.340.0050.02015.28
5.4.330.0000.01111.02
5.4.320.0020.04415.19
5.4.310.0010.04015.03
5.4.300.0020.02314.97
5.4.290.0030.02815.12
5.4.280.0030.02115.23
5.4.270.0040.04115.01
5.4.260.0000.04315.02
5.4.250.0050.02015.01
5.4.240.0030.02315.24
5.4.230.0050.01815.12
5.4.220.0020.02015.23
5.4.210.0010.02315.20
5.4.200.0050.01515.13
5.4.190.0030.01815.10
5.4.180.0030.02014.99
5.4.170.0010.02414.95
5.4.160.0020.02314.90
5.4.150.0020.02915.13
5.4.140.0020.01713.86
5.4.130.0050.01313.79
5.4.120.0060.01613.76
5.4.110.0000.01813.88
5.4.100.0020.02013.88
5.4.90.0040.01713.97
5.4.80.0020.01713.86
5.4.70.0030.01513.85
5.4.60.0000.01813.84
5.4.50.0030.01613.64
5.4.40.0030.01813.68
5.4.30.0030.01813.84
5.4.20.0060.01513.62
5.4.10.0020.02613.75
5.4.00.0020.02813.54
5.3.290.0060.03212.71
5.3.280.0020.02012.56
5.3.270.0000.02412.75
5.3.260.0030.02012.72
5.3.250.0000.02312.67
5.3.240.0030.01812.67
5.3.230.0060.01512.59
5.3.220.0020.01912.66
5.3.210.0080.02012.73
5.3.200.0050.01512.45
5.3.190.0040.01912.58
5.3.180.0000.02112.73
5.3.170.0050.01612.68
5.3.160.0020.01812.78
5.3.150.0000.01812.76
5.3.140.0020.02012.70
5.3.130.0020.02512.64
5.3.120.0040.02412.56
5.3.110.0040.01912.70
5.3.100.0030.03312.28
5.3.90.0050.02612.36
5.3.80.0020.02912.26
5.3.70.0000.02512.27
5.3.60.0000.02312.40
5.3.50.0020.03712.32
5.3.40.0050.03312.15
5.3.30.0050.03712.29
5.3.20.0020.03812.14
5.3.10.0000.03412.11
5.3.00.0020.04312.09
5.2.170.0030.05011.23
5.2.160.0000.04311.07
5.2.150.0030.03711.02
5.2.140.0070.04011.19
5.2.130.0030.04710.96
5.2.120.0030.05311.22
5.2.110.0030.06710.96
5.2.100.0030.05711.21
5.2.90.0100.05710.97
5.2.80.0030.06311.16
5.2.70.0000.05011.20
5.2.60.0000.05711.13
5.2.50.0000.06311.14
5.2.40.0030.06011.13
5.2.30.0030.05711.09
5.2.20.0100.05010.99
5.2.10.0100.05310.73
5.2.00.0070.04310.75
5.1.60.0000.04310.01
5.1.50.0030.03310.05
5.1.40.0030.0439.98
5.1.30.0000.03010.41
5.1.20.0030.06310.38
5.1.10.0000.05710.07
5.1.00.0000.06010.06
5.0.50.0000.0308.84
5.0.40.0070.0438.84
5.0.30.0000.0608.84
5.0.20.0030.0238.84
5.0.10.0030.0438.84
5.0.00.0030.0638.84
4.4.90.0000.0408.84
4.4.80.0000.0408.84
4.4.70.0030.0338.84
4.4.60.0000.0408.84
4.4.50.0000.0338.84
4.4.40.0030.0338.84
4.4.30.0000.0238.84
4.4.20.0030.0208.84
4.4.10.0030.0238.84
4.4.00.0000.0508.84
4.3.110.0000.0238.84
4.3.100.0030.0338.84
4.3.90.0000.0378.84
4.3.80.0000.0338.84
4.3.70.0000.0308.84
4.3.60.0000.0338.84
4.3.50.0000.0208.84
4.3.40.0000.0678.84
4.3.30.0000.0178.84
4.3.20.0000.0338.84
4.3.10.0030.0278.84
4.3.00.0070.0178.84

preferences:
38 ms | 401 KiB | 5 Q