3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(date_default_timezone_get()); for ($y = 1970; $y <= 2020; $y++) { $ts = strtotime((string) $y); $date = date("Y-m-d H:i:s", $ts); $isL = date("L", $ts); print "$y :: $date :: $isL\n"; }

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)
8.4.120.0040.00422.21
8.4.110.0120.00924.39
8.4.100.0130.00818.07
8.4.90.0130.00822.22
8.4.80.0080.00117.63
8.4.70.0130.00718.21
8.4.60.0130.00720.87
8.4.50.0040.00420.69
8.4.40.0100.01019.80
8.4.30.0140.00717.78
8.4.20.0140.00720.66
8.4.10.0000.00917.84
8.3.250.0110.00820.84
8.3.240.0090.01016.73
8.3.230.0160.00616.66
8.3.220.0050.00417.12
8.3.210.0060.00816.84
8.3.200.0040.00516.82
8.3.190.0070.00417.12
8.3.180.0060.00320.91
8.3.170.0040.00417.09
8.3.160.0030.00618.41
8.3.150.0120.00318.53
8.3.140.0040.00416.66
8.3.130.0120.00416.64
8.3.120.0160.00318.77
8.3.110.0060.00320.94
8.3.100.0090.00024.06
8.3.90.0040.01126.77
8.3.80.0030.00616.63
8.3.70.0090.01216.75
8.3.60.0060.01018.68
8.3.50.0080.00516.71
8.3.40.0100.00718.82
8.3.30.0100.00718.72
8.3.20.0040.00420.73
8.3.10.0000.00821.63
8.3.00.0050.00322.39
8.2.290.0090.00920.16
8.2.280.0160.00418.52
8.2.270.0170.00318.30
8.2.260.0070.01017.35
8.2.250.0120.00616.50
8.2.240.0140.00717.28
8.2.230.0040.00422.58
8.2.220.0060.00337.54
8.2.210.0090.00026.77
8.2.200.0000.01016.75
8.2.190.0070.01116.58
8.2.180.0060.01518.26
8.2.170.0140.00022.96
8.2.160.0090.00621.20
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0090.00919.76
8.2.120.0030.00626.35
8.2.110.0030.00622.07
8.2.100.0090.00317.84
8.2.90.0040.00417.88
8.2.80.0040.00718.05
8.2.70.0080.00018.05
8.2.60.0060.00318.33
8.2.50.0090.00018.10
8.2.40.0040.00419.31
8.2.30.0040.00419.39
8.2.20.0050.00217.98
8.2.10.0000.00719.23
8.2.00.0030.00518.16
8.1.330.0110.00822.01
8.1.320.0080.01017.88
8.1.310.0060.00916.88
8.1.300.0160.00318.18
8.1.290.0060.00318.88
8.1.280.0120.00325.92
8.1.270.0030.00520.38
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0070.00322.43
8.1.230.0150.00418.72
8.1.220.0060.00317.77
8.1.210.0000.00918.77
8.1.200.0040.00417.48
8.1.190.0040.00417.35
8.1.180.0050.00318.10
8.1.170.0050.00318.56
8.1.160.0000.00818.91
8.1.150.0000.00718.89
8.1.140.0040.00418.99
8.1.130.0030.00320.24
8.1.120.0000.00717.59
8.1.110.0000.00817.58
8.1.100.0000.00717.47
8.1.90.0030.00717.52
8.1.80.0000.00817.43
8.1.70.0070.00017.52
8.1.60.0090.00317.70
8.1.50.0000.00817.61
8.1.40.0000.00817.54
8.1.30.0000.01117.81
8.1.20.0060.00317.79
8.1.10.0000.00817.64
8.1.00.0000.00917.64
8.0.300.0110.00019.78
8.0.290.0030.00516.88
8.0.280.0000.00718.52
8.0.270.0030.00317.32
8.0.260.0000.00718.51
8.0.250.0000.00717.17
8.0.240.0040.00417.19
8.0.230.0070.00317.07
8.0.220.0000.00717.05
8.0.210.0050.00316.97
8.0.200.0070.00017.06
8.0.190.0080.00017.18
8.0.180.0080.00017.14
8.0.170.0000.00917.02
8.0.160.0080.00017.09
8.0.150.0050.00216.93
8.0.140.0000.00817.03
8.0.130.0030.00313.42
8.0.120.0080.00017.04
8.0.110.0030.00517.03
8.0.100.0000.00817.18
8.0.90.0000.00717.07
8.0.80.0040.01517.08
8.0.70.0040.00416.97
8.0.60.0050.00216.97
8.0.50.0040.00417.12
8.0.30.0060.01217.13
8.0.20.0000.02117.21
8.0.10.0040.00417.03
8.0.00.0110.00716.94
7.4.330.0050.00016.77
7.4.320.0030.00316.49
7.4.300.0030.00316.64
7.4.290.0000.00816.73
7.4.280.0070.00016.70
7.4.270.0030.00316.62
7.4.260.0040.00416.75
7.4.250.0040.00416.60
7.4.240.0000.00716.59
7.4.230.0030.00516.75
7.4.220.0000.00816.54
7.4.210.0080.00816.71
7.4.200.0030.00516.45
7.4.160.0100.00716.64
7.4.140.0110.00717.86
7.4.130.0160.01016.71
7.4.120.0140.00416.62
7.4.110.0090.00916.52
7.4.100.0100.01016.66
7.4.90.0130.00616.68
7.4.80.0100.01019.39
7.4.70.0030.01716.63
7.4.60.0190.00716.73
7.4.50.0040.01416.51
7.4.40.0170.00016.68
7.4.10.0130.00615.02
7.4.00.0080.00914.98
7.3.330.0030.00313.33
7.3.320.0030.00313.28
7.3.310.0060.00316.52
7.3.300.0000.00716.49
7.3.290.0070.00016.45
7.3.280.0080.00916.46
7.3.260.0100.00916.67
7.3.240.0080.01216.64
7.3.230.0070.01016.73
7.3.210.0090.00916.73
7.3.200.0060.01216.51
7.3.190.0110.01116.66
7.3.180.0060.01116.75
7.3.170.0070.01016.34
7.3.160.0000.01816.52
7.3.130.0060.01015.07
7.3.120.0120.00614.89
7.3.110.0040.01514.88
7.3.100.0120.00314.85
7.3.90.0030.01514.95
7.3.80.0060.00614.96
7.3.70.0000.00914.96
7.3.60.0060.00614.77
7.3.50.0030.01014.74
7.3.40.0070.01014.83
7.3.30.0080.00315.00
7.3.20.0230.01215.97
7.3.10.0260.00615.77
7.3.00.0260.00815.98
7.2.330.0060.01216.93
7.2.320.0110.00916.59
7.2.310.0030.01516.85
7.2.300.0100.00716.83
7.2.290.0100.01016.64
7.2.260.0110.00715.34
7.2.250.0060.01315.20
7.2.240.0060.01014.91
7.2.230.0000.00915.21
7.2.220.0070.01015.37
7.2.210.0030.01415.13
7.2.200.0060.00315.29
7.2.190.0090.00615.34
7.2.180.0070.01115.20
7.2.170.0070.00715.41
7.2.160.0090.00715.12
7.2.150.0390.00516.27
7.2.140.0330.00516.09
7.2.130.0260.00916.14
7.2.120.0330.01116.09
7.2.110.0370.00516.20
7.2.100.0370.00316.09
7.2.90.0730.00816.12
7.2.80.0350.00616.25
7.2.70.0260.00816.19
7.2.60.0090.00916.26
7.2.50.0280.00716.08
7.2.40.0380.00415.94
7.2.30.0260.00816.25
7.2.20.0260.01016.12
7.2.10.0360.00516.09
7.2.00.0390.01116.06
7.1.330.0060.00615.83
7.1.320.0080.00015.94
7.1.310.0070.00715.98
7.1.300.0080.00615.88
7.1.290.0080.00415.75
7.1.280.0000.01216.00
7.1.270.0320.00515.05
7.1.260.0240.00915.13
7.1.250.0240.01015.09
7.1.240.0090.00315.86
7.1.230.0060.00315.91
7.1.220.0110.00415.86
7.1.210.0040.01115.87
7.1.200.0030.01115.92
7.1.190.0000.00915.84
7.1.180.0030.01016.04
7.1.170.0060.01015.90
7.1.160.0030.00616.08
7.1.150.0060.00615.93
7.1.140.0070.00715.93
7.1.130.0000.01015.98
7.1.120.0060.00615.83
7.1.110.0030.01315.88
7.1.100.0120.00415.84
7.1.90.0030.01015.95
7.1.80.0030.01215.95
7.1.70.0090.00316.04
7.1.60.0130.00315.82
7.1.50.0030.00915.96
7.1.40.0040.00416.07
7.1.30.0080.00016.06
7.1.20.0080.00816.00
7.1.10.0060.00616.11
7.1.00.0120.00316.05

preferences:
30.08 ms | 403 KiB | 5 Q