3v4l.org

run code in 300+ PHP versions simultaneously
<?php $testDates = array( '2018-01-01', '2000-01-01', '1992-01-01', '1991-12-30', '1980-01-01', '1971-01-01', '1970-01-02', '1970-01-01', ); foreach($testDates as $testDate){ echo $testDate . ' - result:' . strtotime($testDate) . PHP_EOL; }

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)
8.3.60.0120.00318.31
8.3.50.0100.00718.31
8.3.40.0090.00619.14
8.3.30.0070.00718.84
8.3.20.0080.00020.29
8.3.10.0080.00023.48
8.3.00.0080.00019.69
8.2.180.0140.00718.41
8.2.170.0060.00918.79
8.2.160.0130.00022.96
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.91
8.2.110.0030.00720.77
8.2.100.0040.00717.91
8.2.90.0050.00318.22
8.2.80.0090.00018.22
8.2.70.0060.00317.75
8.2.60.0040.00417.75
8.2.50.0080.00018.10
8.2.40.0050.00220.42
8.2.30.0040.00419.50
8.2.20.0000.00718.23
8.2.10.0000.00718.18
8.2.00.0000.00718.28
8.1.280.0180.00325.92
8.1.270.0050.00322.02
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.00923.84
8.1.230.0070.00422.81
8.1.220.0000.00817.78
8.1.210.0000.01018.77
8.1.200.0080.00017.47
8.1.190.0030.00617.60
8.1.180.0000.00718.89
8.1.170.0070.00318.79
8.1.160.0040.00419.06
8.1.150.0040.00420.22
8.1.140.0090.00017.74
8.1.130.0090.00019.07
8.1.120.0040.00417.64
8.1.110.0040.00417.64
8.1.100.0000.00717.71
8.1.90.0040.00417.55
8.1.80.0040.00417.59
8.1.70.0000.00817.67
8.1.60.0000.00817.68
8.1.50.0060.00317.69
8.1.40.0050.00317.67
8.1.30.0080.00017.63
8.1.20.0090.00017.73
8.1.10.0030.00717.67
8.1.00.0050.00317.64
8.0.300.0080.00019.86
8.0.290.0030.00616.88
8.0.280.0000.00718.51
8.0.270.0040.00416.95
8.0.260.0030.00316.93
8.0.250.0030.00317.14
8.0.240.0000.00817.05
8.0.230.0070.00017.13
8.0.220.0070.00016.95
8.0.210.0000.00717.09
8.0.200.0080.00016.98
8.0.190.0000.00817.15
8.0.180.0080.00017.07
8.0.170.0030.00617.03
8.0.160.0030.00317.02
8.0.150.0040.00717.12
8.0.140.0020.00517.01
8.0.130.0050.00013.46
8.0.120.0040.00417.07
8.0.110.0050.00317.03
8.0.100.0070.00016.95
8.0.90.0040.00416.95
8.0.80.0060.00917.13
8.0.70.0070.00016.98
8.0.60.0070.00017.12
8.0.50.0000.00717.11
8.0.30.0060.01217.13
8.0.20.0160.00617.41
8.0.10.0070.00017.10
8.0.00.0080.01016.96
7.4.330.0030.00315.55
7.4.320.0000.00816.59
7.4.300.0000.00616.75
7.4.290.0000.00716.64
7.4.280.0070.00016.54
7.4.270.0030.00616.71
7.4.260.0000.00816.66
7.4.250.0000.00716.63
7.4.240.0000.00716.62
7.4.230.0070.00016.53
7.4.220.0000.00816.54
7.4.210.0080.00916.67
7.4.200.0070.00016.80
7.4.160.0110.00516.69
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0250.00016.48
7.4.120.0080.01016.60
7.4.110.0120.00616.61
7.4.100.0100.00716.66
7.4.90.0110.00716.71
7.4.80.0060.01619.39
7.4.70.0100.01216.80
7.4.60.0120.00616.50
7.4.50.0030.01416.46
7.4.40.0060.01216.70
7.4.00.0060.00915.23
7.3.330.0000.00513.32
7.3.320.0000.00513.28
7.3.310.0080.00016.47
7.3.300.0040.00416.28
7.3.290.0100.00616.34
7.3.280.0070.00716.42
7.3.270.0100.00717.40
7.3.260.0110.00716.52
7.3.240.0100.00716.56
7.3.230.0140.00316.44
7.3.210.0100.00716.60
7.3.200.0060.01016.79
7.3.190.0120.00316.51
7.3.180.0070.01016.77
7.3.170.0060.00916.66
7.3.160.0060.01016.50
7.2.330.0090.00916.55
7.2.320.0070.01016.86
7.2.310.0100.00716.71
7.2.300.0080.01116.81
7.2.290.0030.01416.71
7.2.60.0060.00916.82
7.2.20.0110.01418.21
7.2.10.0110.01218.38
7.2.00.0110.01418.12
7.1.200.0000.01415.87
7.1.140.0120.01417.11
7.1.130.0130.01317.12
7.1.120.0130.01117.13
7.1.110.0140.01016.27
7.1.100.0100.01416.39
7.1.90.0110.01116.42
7.1.80.0080.00716.48
7.1.70.0390.01015.48
7.1.60.0400.01433.35
7.1.50.0350.01732.89
7.1.40.0320.01532.93
7.1.30.0340.01932.60
7.1.20.0290.02132.97
7.1.10.0080.01615.05
7.1.00.0100.01714.97

preferences:
53.95 ms | 401 KiB | 5 Q