3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strtotime('first day')); var_dump(date('Y-m-d H:i:s', strtotime('first day'))); var_dump(strtotime('first day 00:00:00')); var_dump(date('Y-m-d H:i:s', strtotime('first day 00:00:00'))); var_dump(strtotime(date('Y-m-01 00:00:00')));

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)
8.3.40.0110.01118.79
8.3.30.0100.00720.27
8.3.20.0060.01320.38
8.3.10.0040.00422.01
8.3.00.0080.00022.32
8.2.170.0180.00422.96
8.2.160.0100.00322.26
8.2.150.0080.00824.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00420.93
8.2.110.0030.00722.15
8.2.100.0000.01217.84
8.2.90.0000.00819.21
8.2.80.0040.00419.13
8.2.70.0040.00417.63
8.2.60.0040.00417.79
8.2.50.0070.00418.07
8.2.40.0030.00519.95
8.2.30.0040.00419.37
8.2.20.0000.00817.72
8.2.10.0030.00617.89
8.2.00.0050.00317.85
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.01024.00
8.1.230.0040.00819.15
8.1.220.0040.00417.78
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.53
8.1.180.0030.00618.10
8.1.170.0030.00618.63
8.1.160.0000.00918.91
8.1.150.0000.00718.84
8.1.140.0060.00617.62
8.1.130.0000.00817.97
8.1.120.0070.00017.62
8.1.110.0000.00717.48
8.1.100.0000.00717.56
8.1.90.0040.00417.59
8.1.80.0070.00017.52
8.1.70.0070.00017.50
8.1.60.0060.00317.66
8.1.50.0050.00217.52
8.1.40.0040.00417.63
8.1.30.0000.00717.72
8.1.20.0040.00417.68
8.1.10.0000.00917.66
8.1.00.0000.00817.48
8.0.300.0040.00418.90
8.0.290.0040.00417.18
8.0.280.0030.00318.47
8.0.270.0030.00317.29
8.0.260.0070.00016.93
8.0.250.0000.00717.12
8.0.240.0040.00417.07
8.0.230.0000.00717.11
8.0.220.0070.00016.96
8.0.210.0040.00416.94
8.0.200.0030.00317.10
8.0.190.0000.00717.17
8.0.180.0030.00517.05
8.0.170.0000.00717.00
8.0.160.0040.00417.02
8.0.150.0080.00016.96
8.0.140.0000.00716.91
8.0.130.0060.00313.46
8.0.120.0030.00516.99
8.0.110.0000.00817.03
8.0.100.0040.00417.15
8.0.90.0000.00716.90
8.0.80.0090.01317.00
8.0.70.0000.00716.92
8.0.60.0070.00017.11
8.0.50.0030.00516.88
8.0.30.0080.01117.02
8.0.20.0100.00817.40
8.0.10.0050.00217.11
8.0.00.0080.00916.93
7.4.330.0000.00515.12
7.4.320.0030.00316.57
7.4.300.0060.00016.74
7.4.290.0000.00716.62
7.4.280.0000.00716.61
7.4.270.0070.00016.70
7.4.260.0000.00513.26
7.4.250.0040.00416.54
7.4.240.0050.00216.63
7.4.230.0030.00316.74
7.4.220.0100.01016.53
7.4.210.0080.00716.73
7.4.200.0040.00416.76
7.4.190.0080.00016.50
7.4.160.0100.01016.46
7.4.150.0190.00017.40
7.4.140.0110.00617.86
7.4.130.0120.00616.56
7.4.120.0110.00616.45
7.4.110.0130.00516.47
7.4.100.0060.01416.72
7.4.90.0110.00616.73
7.4.80.0060.01219.39
7.4.70.0090.00916.69
7.4.60.0140.00916.62
7.4.50.0090.00016.43
7.4.40.0040.01222.77
7.4.30.0090.00616.59
7.4.00.0070.01115.13
7.3.330.0050.00013.25
7.3.320.0000.00513.27
7.3.310.0040.00416.36
7.3.300.0080.00016.35
7.3.290.0110.00316.36
7.3.280.0070.00816.35
7.3.270.0110.00717.40
7.3.260.0120.00616.42
7.3.250.0130.00416.55
7.3.240.0060.01516.58
7.3.230.0120.01016.39
7.3.210.0060.01016.61
7.3.200.0090.01319.39
7.3.190.0080.00816.55
7.3.180.0060.01016.50
7.3.170.0110.00416.36
7.3.160.0110.01116.46
7.3.120.0070.01014.95
7.3.110.0070.01114.96
7.3.100.0070.00714.86
7.3.90.0130.00314.94
7.3.80.0030.01014.67
7.3.70.0060.00314.68
7.3.60.0060.00914.98
7.3.50.0030.01214.73
7.3.40.0090.00614.93
7.3.30.0000.01314.89
7.3.20.0100.00316.47
7.3.10.0070.00716.41
7.3.00.0100.00616.61
7.2.330.0000.01716.80
7.2.320.0090.00816.60
7.2.310.0100.01316.77
7.2.300.0070.01016.58
7.2.290.0090.00916.44
7.2.240.0120.00415.01
7.2.230.0030.00915.19
7.2.220.0000.01215.25
7.2.210.0090.00915.14
7.2.200.0030.01214.59
7.2.190.0070.00315.04
7.2.180.0060.00315.08
7.2.170.0060.00614.68
7.2.160.0000.01615.09
7.2.150.0080.00616.86
7.2.140.0030.01016.59
7.2.130.0030.01316.93
7.2.120.0000.01316.82
7.2.110.0080.00916.70
7.2.100.0100.00616.91
7.2.90.0000.01416.82
7.2.80.0070.00716.70
7.2.70.0130.00716.73
7.2.60.0070.00716.82
7.2.50.0090.00616.78
7.2.40.0100.00716.84
7.2.30.0030.01316.93
7.2.20.0060.00616.86
7.2.10.0120.00616.88
7.2.00.0090.01017.69
7.1.330.0100.00715.88
7.1.320.0030.01115.77
7.1.310.0000.00915.85
7.1.300.0000.01615.56
7.1.290.0030.00915.50
7.1.280.0100.00615.82
7.1.270.0030.01315.92
7.1.260.0090.00615.96
7.1.250.0030.01315.70
7.1.100.0300.00318.24
7.1.70.0000.00916.98
7.1.60.0030.00917.30
7.1.50.0070.01417.01
7.1.00.0070.03022.54
7.0.200.0030.01316.56
7.0.140.0070.07021.99
7.0.90.0030.06321.67
7.0.80.0000.04721.65
7.0.70.0030.08321.82
7.0.60.0000.07721.83
7.0.50.0070.07722.04
7.0.40.0000.04719.99
7.0.30.0100.08720.11
7.0.20.0100.07320.00
7.0.10.0030.08320.09
7.0.00.0100.06320.03
5.6.280.0030.07320.89
5.6.240.0130.06020.49
5.6.230.0070.06720.63
5.6.220.0100.04020.61
5.6.210.0070.07720.49
5.6.200.0030.06721.14
5.6.190.0070.07721.05
5.6.180.0070.04320.95
5.6.170.0070.04321.05
5.6.160.0070.06720.91
5.6.150.0030.04021.08
5.6.140.0070.08021.16
5.6.130.0070.05321.07
5.6.120.0100.07720.93
5.6.110.0130.07020.94
5.6.100.0070.04721.02
5.6.90.0100.07721.05
5.6.80.0070.08020.52
5.6.70.0100.07720.36
5.6.60.0100.06720.46
5.6.50.0000.05320.51
5.6.40.0070.07320.39
5.6.30.0030.07720.36
5.6.20.0030.04020.41
5.6.10.0070.07720.41
5.6.00.0030.07320.38
5.5.380.0070.06720.41
5.5.370.0000.04320.36
5.5.360.0030.08320.34
5.5.350.0030.05720.41
5.5.340.0100.07320.88
5.5.330.0130.07020.90
5.5.320.0030.04320.83
5.5.310.0000.06720.78
5.5.300.0000.06320.92
5.5.290.0000.05320.85
5.5.280.0070.08320.79
5.5.270.0170.07020.89
5.5.260.0070.05020.84
5.5.250.0000.05020.72
5.5.240.0100.06320.27
5.5.230.0030.08320.14
5.5.220.0030.07720.25
5.5.210.0030.08020.20
5.5.200.0000.07720.23
5.5.190.0030.07320.17
5.5.180.0000.08320.18
5.5.160.0000.06020.07
5.5.150.0070.07020.14
5.5.140.0100.07320.10
5.5.130.0030.08020.10
5.5.120.0070.06720.20
5.5.110.0000.07320.26
5.5.100.0130.06320.11
5.5.90.0000.07720.15
5.5.80.0070.04020.09
5.5.70.0000.04720.14
5.5.60.0070.07320.05
5.5.50.0030.07320.14
5.5.40.0000.08020.09
5.5.30.0070.04020.03
5.5.20.0030.07320.13
5.5.10.0070.05320.15
5.5.00.0030.07720.09
5.4.450.0030.08319.47
5.4.440.0000.06319.44
5.4.430.0070.05019.10
5.4.420.0000.05319.46
5.4.410.0030.04319.32
5.4.400.0070.07018.91
5.4.390.0000.08319.05
5.4.380.0000.08319.05
5.4.370.0100.07018.90
5.4.360.0030.05018.98
5.4.350.0030.08018.79
5.4.340.0000.05018.98
5.4.320.0100.07719.05
5.4.310.0030.07319.07
5.4.300.0000.07719.12
5.4.290.0070.05719.14
5.4.280.0000.06319.11
5.4.270.0100.05019.05
5.4.260.0000.05719.11
5.4.250.0070.05319.11
5.4.240.0000.04319.02
5.4.230.0000.07718.80
5.4.220.0100.07319.09
5.4.210.0070.06019.15
5.4.200.0070.07018.97
5.4.190.0030.06019.02
5.4.180.0030.07719.11
5.4.170.0030.06318.95
5.4.160.0070.07319.21
5.4.150.0000.08019.12
5.4.140.0100.06316.33
5.4.130.0100.06016.32
5.4.120.0030.07316.31
5.4.110.0030.07016.47
5.4.100.0000.05716.49
5.4.90.0000.08016.41
5.4.80.0000.07016.48
5.4.70.0070.06016.46
5.4.60.0100.06716.18
5.4.50.0030.07316.21
5.4.40.0030.08016.41
5.4.30.0100.05716.23
5.4.20.0030.07316.38
5.4.10.0000.07016.27
5.4.00.0030.08015.71
5.3.290.0000.05714.62
5.3.280.0030.07014.55
5.3.270.0000.08014.44
5.3.260.0030.07314.51
5.3.250.0000.07714.42
5.3.240.0100.07014.59
5.3.230.0000.07014.46
5.3.220.0070.06014.56
5.3.210.0070.07014.47
5.3.200.0000.04314.54
5.3.190.0030.08014.42
5.3.180.0000.07714.43
5.3.170.0000.07714.42
5.3.160.0000.07014.52
5.3.150.0000.07714.51
5.3.140.0000.05014.41
5.3.130.0070.06714.50
5.3.120.0030.07714.55
5.3.110.0000.07314.53
5.3.100.0030.04014.02
5.3.90.0030.04014.02
5.3.80.0030.04013.88
5.3.70.0000.04713.96
5.3.60.0070.07713.85
5.3.50.0070.06313.92
5.3.40.0130.07013.95
5.3.30.0000.07313.77
5.3.20.0030.07013.64
5.3.10.0000.07013.64
5.3.00.0070.03713.57
5.2.170.0030.04011.18
5.2.160.0200.03010.96
5.2.150.0030.05711.16
5.2.140.0030.07010.93
5.2.130.0000.05311.13
5.2.120.0000.04310.89
5.2.110.0000.03311.05
5.2.100.0000.05711.09
5.2.90.0000.06011.08
5.2.80.0000.07311.04
5.2.70.0030.04011.09
5.2.60.0000.05011.08
5.2.50.0030.03310.98
5.2.40.0070.05310.78
5.2.30.0030.05011.00
5.2.20.0000.03010.88
5.2.10.0030.05310.80
5.2.00.0030.05710.57
5.1.60.0000.05310.24
5.1.50.0070.04710.24
5.1.40.0030.02710.24
5.1.30.0070.05710.25
5.1.20.0000.03710.39
5.1.10.0100.04710.24
5.1.00.0030.03010.24
5.0.50.0070.02310.24
5.0.40.0000.02710.24
5.0.30.0030.06010.24
5.0.20.0000.05010.24
5.0.10.0000.02310.24
5.0.00.0000.03010.24
4.4.90.0030.02710.24
4.4.80.0030.01710.24
4.4.70.0030.03310.24
4.4.60.0070.02710.24
4.4.50.0030.02710.24
4.4.40.0030.05310.24
4.4.30.0030.03310.24
4.4.20.0030.02010.24
4.4.10.0030.03310.24
4.4.00.0000.05010.24
4.3.110.0000.03010.24
4.3.100.0000.02310.24
4.3.90.0000.01310.24
4.3.80.0000.02310.24
4.3.70.0000.02710.24
4.3.60.0000.01310.24
4.3.50.0030.02710.24
4.3.40.0000.03310.24
4.3.30.0000.01710.24
4.3.20.0000.01710.24
4.3.10.0000.03010.24
4.3.00.0000.02710.24

preferences:
46.51 ms | 400 KiB | 5 Q