3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( mktime(0,0,0,date("m")-6,date("d"),date("Y")) ); var_dump( date("m")-6 ); var_dump($x = "現在 " . date("Y-m-d H:i:s")); var_dump($x = "現在 " . strtotime("now")); var_dump($x = "6ヶ月前 " . date("Y-m-d H:i:s",strtotime("-6 month"))); var_dump($x = "6ヶ月前 " . strtotime("-6 month"));

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)
8.3.60.0070.01116.62
8.3.50.0140.00018.30
8.3.40.0110.00719.04
8.3.30.0060.01219.09
8.3.20.0040.00421.82
8.3.10.0060.00321.73
8.3.00.0050.00319.47
8.2.180.0070.01018.40
8.2.170.0110.00422.96
8.2.160.0110.00319.45
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.00720.70
8.2.120.0050.00326.35
8.2.110.0090.00022.21
8.2.100.0120.00018.16
8.2.90.0030.00619.30
8.2.80.0040.00418.16
8.2.70.0040.00418.00
8.2.60.0000.00818.05
8.2.50.0040.00418.10
8.2.40.0070.00020.74
8.2.30.0000.00719.51
8.2.20.0020.00518.09
8.2.10.0000.00818.22
8.2.00.0090.00018.12
8.1.280.0170.00325.92
8.1.270.0000.00820.80
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00623.99
8.1.230.0120.00017.95
8.1.220.0000.00817.80
8.1.210.0040.00418.77
8.1.200.0060.00317.47
8.1.190.0000.00917.48
8.1.180.0030.00518.10
8.1.170.0050.00518.63
8.1.160.0040.00419.05
8.1.150.0040.00418.86
8.1.140.0000.00819.66
8.1.130.0020.00518.88
8.1.120.0040.00417.70
8.1.110.0040.00417.56
8.1.100.0040.00417.57
8.1.90.0040.00417.52
8.1.80.0050.00217.60
8.1.70.0070.00017.58
8.1.60.0000.00917.73
8.1.50.0040.00417.58
8.1.40.0030.00617.70
8.1.30.0040.00417.73
8.1.20.0000.00717.79
8.1.10.0000.00817.68
8.1.00.0060.00317.66
8.0.300.0040.00418.77
8.0.290.0040.00417.00
8.0.280.0050.00218.48
8.0.270.0070.00017.43
8.0.260.0000.00617.48
8.0.250.0050.00517.35
8.0.240.0000.00917.26
8.0.230.0000.00717.17
8.0.220.0040.00417.22
8.0.210.0040.00417.20
8.0.200.0000.00717.38
8.0.190.0030.00517.30
8.0.180.0070.00017.19
8.0.170.0040.00417.32
8.0.160.0040.00417.27
8.0.150.0040.00417.18
8.0.140.0030.00317.14
8.0.130.0030.00313.59
8.0.120.0020.00517.05
8.0.110.0040.00417.16
8.0.100.0040.00417.19
8.0.90.0030.00317.23
8.0.80.0130.00317.15
8.0.70.0000.00716.98
8.0.60.0040.00417.09
8.0.50.0040.00417.16
8.0.30.0130.00617.24
8.0.20.0070.01117.40
8.0.10.0030.00317.29
8.0.00.0130.00717.09
7.4.330.0030.00315.55
7.4.320.0030.00316.67
7.4.300.0000.00716.77
7.4.290.0080.00016.77
7.4.280.0060.00316.80
7.4.270.0000.00716.66
7.4.260.0030.00316.79
7.4.250.0050.00316.58
7.4.240.0000.00716.62
7.4.230.0000.00716.64
7.4.220.0030.01516.69
7.4.210.0110.00416.69
7.4.200.0070.00016.79
7.4.160.0080.01016.75
7.4.150.0140.00417.40
7.4.140.0110.01117.86
7.4.130.0090.00916.70
7.4.120.0090.01116.63
7.4.110.0070.01016.47
7.4.100.0210.00416.64
7.4.90.0100.00716.83
7.4.80.0100.01619.39
7.4.70.0120.00916.95
7.4.60.0050.01116.77
7.4.50.0130.00016.49
7.4.40.0070.01016.63
7.4.30.0100.00716.42
7.4.00.0070.01015.00
7.3.330.0030.00313.22
7.3.320.0000.00513.30
7.3.310.0070.00016.45
7.3.300.0070.00016.40
7.3.290.0100.00616.44
7.3.280.0070.01116.39
7.3.270.0140.00317.40
7.3.260.0130.00716.63
7.3.250.0100.00816.43
7.3.240.0110.00816.50
7.3.230.0090.00816.43
7.3.210.0170.00016.46
7.3.200.0150.00616.52
7.3.190.0030.01316.73
7.3.180.0040.01216.88
7.3.170.0080.00816.71
7.3.160.0030.01216.52
7.3.10.0080.00516.71
7.3.00.0050.00916.66
7.2.330.0060.01316.89
7.2.320.0060.01216.80
7.2.310.0070.01116.76
7.2.300.0150.00316.84
7.2.290.0060.01516.85
7.2.130.0060.01417.01
7.2.120.0150.00517.03
7.2.110.0120.00816.61
7.2.100.0160.00416.98
7.2.90.0160.00616.88
7.2.80.0120.00616.81
7.2.70.0080.01317.02
7.2.60.0080.00716.85
7.2.50.0110.00616.77
7.2.40.0140.01216.88
7.2.30.0080.00916.96
7.2.20.0080.01116.80
7.2.10.0090.01016.75
7.2.00.0070.01017.79
7.1.250.0110.00815.80
7.1.240.0040.00716.07
7.1.230.0110.00715.84
7.1.220.0000.01016.05
7.1.210.0030.00615.77
7.1.200.0030.01015.93
7.1.190.0040.01115.97
7.1.180.0130.00016.02
7.1.170.0060.00915.70
7.1.160.0000.00915.98
7.1.150.0060.00316.00
7.1.140.0040.00715.87
7.1.130.0100.00715.70
7.1.120.0060.00615.63
7.1.110.0080.00416.07
7.1.100.0070.00516.92
7.1.90.0080.00415.98
7.1.80.0110.00416.01
7.1.70.0060.00616.48
7.1.60.0060.00616.61
7.1.50.0100.01125.21
7.1.40.0080.01225.11
7.1.30.0110.00725.09
7.1.20.0130.00825.28
7.1.10.0050.00716.13
7.1.00.0030.00716.34
7.0.330.0080.00615.41
7.0.320.0070.00315.20
7.0.310.0060.00615.27
7.0.300.0070.00715.55
7.0.290.0000.01415.42
7.0.280.0060.00615.36
7.0.270.0100.00715.62
7.0.260.0000.01415.26
7.0.250.0070.00715.48
7.0.240.0070.00415.46
7.0.230.0050.00815.54
7.0.220.0000.01115.54
7.0.210.0030.00915.64
7.0.200.0080.00516.20
7.0.190.0000.00915.94
7.0.180.0050.01015.76
7.0.170.0050.00615.83
7.0.160.0020.01015.84
7.0.150.0030.01215.71
7.0.140.0030.00715.85
7.0.130.0040.01116.08
7.0.120.0050.00815.99
7.0.110.0040.01015.96
7.0.100.0050.00915.92
7.0.90.0050.00915.80
7.0.80.0050.00715.79
7.0.70.0090.00515.85
7.0.60.0030.01115.88
7.0.50.0080.00715.87
7.0.40.0070.00815.09
7.0.30.0030.01014.96
7.0.20.0080.00614.90
7.0.10.0050.00814.98
7.0.00.0090.00714.95
5.6.380.0070.00314.50

preferences:
61.76 ms | 401 KiB | 5 Q