3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_valid_date($date) { if (preg_match('/^((19|20)\\d\\d)-(0?[1-9]|1[012])-(0?[1-9]|[12][0-9]|3[01]) ([01]\d|2[0123]):([0-5]\d):([0-5]\d)$/', $date, $matches)){ return checkdate($matches[3], $matches[4], $matches[1]); } return false; } var_dump(is_valid_date("2011-02-29 15:30:00")); //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)
8.3.60.0090.01318.80
8.3.50.0110.00822.13
8.3.40.0150.00019.09
8.3.30.0040.01119.04
8.3.20.0040.00420.16
8.3.10.0060.00323.57
8.3.00.0000.00820.67
8.2.180.0160.00016.75
8.2.170.0100.01022.96
8.2.160.0030.01022.20
8.2.150.0080.00024.18
8.2.140.0000.00924.66
8.2.130.0070.00026.16
8.2.120.0040.00417.88
8.2.110.0100.00022.38
8.2.100.0040.00818.03
8.2.90.0050.00319.25
8.2.80.0080.00017.97
8.2.70.0070.00317.75
8.2.60.0060.00317.80
8.2.50.0000.00918.07
8.2.40.0050.00518.17
8.2.30.0000.00718.16
8.2.20.0070.00017.77
8.2.10.0080.00019.70
8.2.00.0040.00417.91
8.1.280.0160.00325.92
8.1.270.0040.00423.91
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.98
8.1.230.0040.00819.02
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0000.00917.48
8.1.190.0030.00517.53
8.1.180.0040.00418.10
8.1.170.0000.00818.69
8.1.160.0070.00022.00
8.1.150.0040.00418.77
8.1.140.0000.00717.48
8.1.130.0080.00017.88
8.1.120.0070.00017.54
8.1.110.0000.00817.49
8.1.100.0000.00817.45
8.1.90.0000.00717.51
8.1.80.0040.00417.49
8.1.70.0000.00717.49
8.1.60.0080.00017.68
8.1.50.0040.00417.63
8.1.40.0040.00417.61
8.1.30.0060.00317.71
8.1.20.0050.00317.60
8.1.10.0000.00817.54
8.1.00.0050.00217.68
8.0.300.0060.00318.77
8.0.290.0070.00017.04
8.0.280.0000.00818.36
8.0.270.0050.00217.18
8.0.260.0040.00416.87
8.0.250.0050.00217.07
8.0.240.0030.00316.98
8.0.230.0050.00217.02
8.0.220.0030.00316.98
8.0.210.0030.00316.91
8.0.200.0030.00317.02
8.0.190.0040.00417.09
8.0.180.0040.00417.06
8.0.170.0040.00416.90
8.0.160.0040.00417.07
8.0.150.0040.00416.99
8.0.140.0040.00417.02
8.0.130.0000.00513.48
8.0.120.0040.00417.03
8.0.110.0000.00816.98
8.0.100.0040.00417.13
8.0.90.0000.00716.98
8.0.80.0090.00617.09
8.0.70.0000.00717.16
8.0.60.0000.00717.04
8.0.50.0000.00716.94
8.0.30.0130.00717.12
8.0.20.0060.01217.40
8.0.10.0050.00317.17
8.0.00.0160.00616.70
7.4.330.0000.00515.05
7.4.320.0000.00716.58
7.4.300.0030.00316.86
7.4.290.0000.00716.67
7.4.280.0000.00916.88
7.4.270.0000.00716.84
7.4.260.0040.00316.82
7.4.250.0040.00416.72
7.4.240.0030.00416.81
7.4.230.0030.00316.82
7.4.220.0190.00716.65
7.4.210.0080.00816.82
7.4.200.0030.00316.72
7.4.190.0000.00816.91
7.4.160.0100.01016.53
7.4.150.0120.00617.40
7.4.140.0140.01017.86
7.4.130.0110.00716.75
7.4.120.0080.01016.63
7.4.110.0090.00816.53
7.4.100.0170.00616.89
7.4.90.0150.00316.79
7.4.80.0140.00816.49
7.4.70.0100.00616.81
7.4.60.0060.00916.70
7.4.50.0040.00016.43
7.4.40.0030.00922.77
7.4.30.0170.01616.66
7.4.00.0090.00615.18
7.3.330.0000.00513.40
7.3.320.0060.00013.43
7.3.310.0000.00716.56
7.3.300.0030.00316.51
7.3.290.0060.00916.38
7.3.280.0100.00616.42
7.3.270.0140.00417.40
7.3.260.0150.00716.66
7.3.250.0110.00716.44
7.3.240.0130.00316.52
7.3.230.0100.00616.40
7.3.210.0150.00416.70
7.3.200.0030.01719.39
7.3.190.0200.00316.59
7.3.180.0140.00616.45
7.3.170.0060.01116.59
7.3.160.0150.00716.59
7.3.120.0090.00714.88
7.2.330.0170.00016.67
7.2.320.0130.01016.66
7.2.310.0080.00816.90
7.2.300.0090.01216.74
7.2.290.0070.01016.73
7.2.00.0060.00919.45
7.1.100.0040.01117.93
7.1.70.0000.00817.15
7.1.60.0030.02019.24
7.1.50.0230.01035.16
7.1.00.0000.08022.46
7.0.200.0060.00616.84
7.0.140.0070.04321.96
7.0.100.0370.08019.91
7.0.90.0330.08319.92
7.0.80.0370.04719.87
7.0.70.0230.05319.99
7.0.60.0300.06019.95
7.0.50.0300.04720.29
7.0.40.0170.07720.17
7.0.30.0100.08320.05
7.0.20.0100.07720.14
7.0.10.0070.08020.14
7.0.00.0070.06720.13
5.6.280.0070.06320.93
5.6.250.0070.08020.61
5.6.240.0170.07320.64
5.6.230.0170.08020.69
5.6.220.0000.04720.67
5.6.210.0070.06720.77
5.6.200.0130.08321.12
5.6.190.0100.07321.01
5.6.180.0070.07320.96
5.6.170.0130.07721.04
5.6.160.0130.04721.09
5.6.150.0070.08321.17
5.6.140.0130.06721.14
5.6.130.0100.07321.04
5.6.120.0130.08021.05
5.6.110.0030.08721.11
5.6.100.0100.07320.95
5.6.90.0030.07321.11
5.6.80.0130.07320.46
5.6.70.0070.05720.33
5.6.60.0070.08020.39
5.6.50.0070.08320.34
5.6.40.0070.04720.39
5.6.30.0100.04320.50
5.6.20.0070.04020.49
5.6.10.0030.04020.40
5.6.00.0100.03320.45
5.5.380.0070.04720.35
5.5.370.0030.06720.40
5.5.360.0000.08720.49
5.5.350.0070.07720.34
5.5.340.0070.07720.89
5.5.330.0070.07020.86
5.5.320.0130.08020.88
5.5.310.0170.07020.91
5.5.300.0030.07720.83
5.5.290.0100.08020.83
5.5.280.0100.08020.82
5.5.270.0030.05320.91
5.5.260.0100.08720.87
5.5.250.0130.08020.58
5.5.240.0130.08020.16
5.5.230.0070.04020.23
5.5.220.0100.08020.10
5.5.210.0030.06020.30
5.5.200.0170.07020.21
5.5.190.0000.05020.13
5.5.180.0030.07020.26
5.5.160.0100.03320.21
5.5.150.0030.04020.14
5.5.140.0070.03320.23
5.5.130.0070.04720.22
5.5.120.0000.04320.26
5.5.110.0000.04320.20
5.5.100.0000.04020.02
5.5.90.0000.03720.07
5.5.80.0070.06320.16
5.5.70.0030.04320.09
5.5.60.0100.04320.17
5.5.50.0070.03320.14
5.5.40.0030.03720.13
5.5.30.0030.05320.02
5.5.20.0100.03320.14
5.5.10.0070.03320.11
5.5.00.0100.03720.02
5.4.450.0070.08019.20
5.4.440.0130.06319.46
5.4.430.0100.05719.22
5.4.420.0100.06019.17
5.4.410.0030.08019.42
5.4.400.0070.05719.05
5.4.390.0170.06319.21
5.4.380.0070.04319.03
5.4.370.0100.06719.07
5.4.360.0000.08319.16
5.4.350.0130.06718.91
5.4.340.0030.05019.16
5.4.320.0070.03719.13
5.4.310.0070.04019.16
5.4.300.0030.03719.05
5.4.290.0000.04019.20
5.4.280.0070.04019.23
5.4.270.0030.04019.03
5.4.260.0070.04019.12
5.4.250.0070.03319.13
5.4.240.0070.03319.15
5.4.230.0030.04719.02
5.4.220.0070.03319.11
5.4.210.0030.05719.17
5.4.200.0030.07719.12
5.4.190.0030.03719.17
5.4.180.0070.03319.20
5.4.170.0070.03019.08
5.4.160.0030.05018.89
5.4.150.0130.04719.14
5.4.140.0030.05716.47
5.4.130.0030.03716.50
5.4.120.0070.03316.46
5.4.110.0030.03716.53
5.4.100.0130.05316.46
5.4.90.0070.05316.40
5.4.80.0030.03716.47
5.4.70.0070.04316.38
5.4.60.0000.03716.30
5.4.50.0070.03716.39
5.4.40.0070.03716.37
5.4.30.0030.03316.48
5.4.20.0000.03716.24
5.4.10.0030.03716.46
5.4.00.0000.03315.85
5.3.290.0070.03714.59
5.3.280.0030.03714.58
5.3.270.0030.03714.68
5.3.260.0030.06014.57
5.3.250.0100.03314.57
5.3.240.0030.04014.67
5.3.230.0030.03314.62
5.3.220.0030.03714.54
5.3.210.0000.03714.70
5.3.200.0000.04714.66
5.3.190.0070.03314.63
5.3.180.0000.03714.56
5.3.170.0070.03314.62
5.3.160.0070.04314.63
5.3.150.0070.03314.70
5.3.140.0100.03014.51
5.3.130.0070.03014.47
5.3.120.0030.03714.63
5.3.110.0000.04014.50
5.3.100.0030.03714.10
5.3.90.0070.03013.96
5.3.80.0030.03314.03
5.3.70.0070.03314.07
5.3.60.0030.03714.09
5.3.50.0000.04713.85
5.3.40.0030.03714.02
5.3.30.0030.05013.80
5.3.20.0030.03713.75
5.3.10.0030.05713.58
5.3.00.0030.03713.57
5.2.170.0070.03311.26
5.2.160.0000.03311.22
5.2.150.0030.02711.23
5.2.140.0000.03311.04
5.2.130.0000.03011.00
5.2.120.0030.03011.19
5.2.110.0000.03011.10
5.2.100.0070.02311.01
5.2.90.0030.02711.02
5.2.80.0030.03011.02
5.2.70.0070.02311.01
5.2.60.0100.06011.07
5.2.50.0070.04711.04
5.2.40.0030.05011.09
5.2.30.0030.06310.84
5.2.20.0130.05310.91
5.2.10.0070.05310.79
5.2.00.0070.05710.85
5.1.60.0030.0509.84
5.1.50.0070.05010.05
5.1.40.0030.0479.86
5.1.30.0070.05710.48
5.1.20.0100.04010.34
5.1.10.0030.05710.12
5.1.00.0030.05310.14
5.0.50.0030.0478.55
5.0.40.0100.0378.39
5.0.30.0030.0608.22
5.0.20.0070.0278.22
5.0.10.0170.0308.22
5.0.00.0030.0478.22
4.4.90.0070.0308.22
4.4.80.0030.0338.22
4.4.70.0070.0338.22
4.4.60.0030.0338.22
4.4.50.0000.0238.22
4.4.40.0030.0478.22
4.4.30.0000.0238.22
4.4.20.0030.0338.22
4.4.10.0000.0308.22
4.4.00.0100.0378.22
4.3.110.0100.0178.22
4.3.100.0030.0338.22
4.3.90.0070.0308.22
4.3.80.0000.0408.22
4.3.70.0100.0278.22
4.3.60.0070.0238.22
4.3.50.0030.0338.22
4.3.40.0000.0438.22
4.3.30.0030.0338.22
4.3.20.0030.0178.22
4.3.10.0030.0338.22
4.3.00.0000.0178.22

preferences:
41.42 ms | 401 KiB | 5 Q