3v4l.org

run code in 300+ PHP versions simultaneously
<?php function datediffInWeeks($date1, $date2) { if($date1 > $date2) return datediffInWeeks($date2, $date1); $first = DateTime::createFromFormat('Y-m-d', $date1); $second = DateTime::createFromFormat('Y-m-d', $date2); return floor($first->diff($second)->days/7); } var_dump(datediffInWeeks('2015-04-23', '2015-06-30'));

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)
8.3.60.0130.00718.68
8.3.50.0160.00521.96
8.3.40.0090.00618.79
8.3.30.0040.01118.99
8.3.20.0050.00220.07
8.3.10.0150.00021.82
8.3.00.0050.00519.50
8.2.180.0100.01318.29
8.2.170.0090.00622.96
8.2.160.0070.00720.39
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00019.79
8.2.110.0040.00721.12
8.2.100.0040.00718.00
8.2.90.0000.00818.37
8.2.80.0040.00418.34
8.2.70.0050.00318.17
8.2.60.0060.00318.04
8.2.50.0030.00618.10
8.2.40.0030.00520.63
8.2.30.0000.00918.20
8.2.20.0020.00518.00
8.2.10.0000.00818.18
8.2.00.0080.00017.98
8.1.280.0110.00425.92
8.1.270.0060.00319.00
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00023.96
8.1.230.0090.00322.66
8.1.220.0050.00317.74
8.1.210.0030.00618.83
8.1.200.0090.00317.25
8.1.190.0000.00817.48
8.1.180.0080.00018.10
8.1.170.0060.00318.61
8.1.160.0040.00422.14
8.1.150.0040.00419.07
8.1.140.0030.00617.58
8.1.130.0030.00318.00
8.1.120.0030.00717.63
8.1.110.0070.00017.65
8.1.100.0040.00417.55
8.1.90.0000.00717.64
8.1.80.0030.00417.64
8.1.70.0000.00717.67
8.1.60.0000.00817.62
8.1.50.0080.00017.65
8.1.40.0000.00717.63
8.1.30.0000.00817.67
8.1.20.0040.00417.74
8.1.10.0040.00417.67
8.1.00.0040.00417.68
8.0.300.0030.00620.05
8.0.290.0070.00016.88
8.0.280.0030.00318.59
8.0.270.0050.00317.40
8.0.260.0030.00317.31
8.0.250.0030.00317.12
8.0.240.0030.00317.19
8.0.230.0040.00417.09
8.0.220.0030.00317.11
8.0.210.0030.00317.24
8.0.200.0000.00717.11
8.0.190.0050.00317.24
8.0.180.0040.00417.21
8.0.170.0040.00417.17
8.0.160.0040.00417.11
8.0.150.0000.00817.09
8.0.140.0070.00017.13
8.0.130.0000.00713.47
8.0.120.0030.00517.03
8.0.110.0000.00817.13
8.0.100.0000.00817.12
8.0.90.0040.00416.98
8.0.80.0120.00917.14
8.0.70.0000.00716.98
8.0.60.0040.00417.11
8.0.50.0000.00717.14
8.0.30.0120.01017.37
8.0.20.0140.00517.40
8.0.10.0040.00417.15
8.0.00.0040.01416.95
7.4.330.0060.00015.20
7.4.320.0060.00016.75
7.4.300.0060.00016.74
7.4.290.0030.00316.73
7.4.280.0000.00716.54
7.4.270.0030.00316.63
7.4.260.0030.00516.63
7.4.250.0000.00716.52
7.4.240.0030.00416.64
7.4.230.0060.00316.58
7.4.220.0130.00716.61
7.4.210.0070.01016.80
7.4.200.0000.00716.72
7.4.160.0120.01016.75
7.4.150.0030.01517.40
7.4.140.0080.01017.86
7.4.130.0100.00616.72
7.4.120.0050.01216.72
7.4.110.0060.01317.01
7.4.100.0090.00916.66
7.4.90.0100.01116.59
7.4.80.0070.01019.39
7.4.70.0070.01116.63
7.4.60.0070.01016.52
7.4.50.0040.00416.66
7.4.40.0060.00916.68
7.4.30.0000.02316.72
7.4.00.0040.01115.04
7.3.330.0030.00313.21
7.3.320.0100.00313.34
7.3.310.0030.00316.34
7.3.300.0030.00316.31
7.3.290.0040.00416.28
7.3.280.0080.00816.45
7.3.270.0120.00617.40
7.3.260.0130.01016.61
7.3.250.0100.01016.69
7.3.240.0000.01816.45
7.3.230.0080.00916.48
7.3.210.0080.00816.72
7.3.200.0160.00319.39
7.3.190.0120.00316.78
7.3.180.0130.00316.58
7.3.170.0140.00316.73
7.3.160.0110.00616.71
7.3.120.0050.01015.05
7.3.110.0090.00814.98
7.3.100.0060.00814.76
7.3.90.0050.01115.12
7.3.80.0060.01015.09
7.3.70.0070.00714.98
7.3.60.0090.00314.79
7.3.50.0050.00514.91
7.3.40.0040.01014.63
7.3.30.0030.01114.93
7.3.20.0060.00816.77
7.3.10.0050.00616.90
7.3.00.0070.00616.76
7.2.330.0070.01116.75
7.2.320.0070.01016.91
7.2.310.0030.01417.04
7.2.300.0060.01517.02
7.2.290.0030.02216.47
7.2.250.0070.01115.40
7.2.240.0100.00815.40
7.2.230.0070.00715.18
7.2.220.0030.01015.15
7.2.210.0070.00615.10
7.2.200.0020.01215.13
7.2.190.0050.01415.07
7.2.180.0060.00814.94
7.2.170.0040.01115.16
7.2.60.0030.01016.79
7.2.00.0040.01119.61
7.1.330.0050.00815.80
7.1.320.0070.00515.93
7.1.310.0070.00515.88
7.1.300.0080.00515.88
7.1.290.0030.01115.91
7.1.280.0070.00715.90
7.1.270.0040.01015.79
7.1.260.0030.00716.05
7.1.200.0060.00615.96
7.1.100.0070.01018.25
7.1.70.0030.00717.05
7.1.60.0130.01019.50
7.1.50.0100.01017.21
7.1.00.0030.07722.24
7.0.200.0060.00317.05
7.0.140.0070.06722.11
7.0.60.0070.07020.03
7.0.50.0100.06317.96
7.0.40.0130.08020.13
7.0.30.0300.08020.19
7.0.20.0230.04720.07
7.0.10.0130.04320.07
7.0.00.0100.06020.14
5.6.280.0030.07020.77
5.6.210.0100.04720.48
5.6.200.0030.06018.29
5.6.190.0100.06320.48
5.6.180.0330.07020.50
5.6.170.0130.05320.71
5.6.160.0070.05320.51
5.6.150.0000.04318.18
5.6.140.0130.07318.18
5.6.130.0030.04718.14
5.6.120.0030.08320.98
5.6.110.0100.05720.98
5.6.100.0070.07020.89
5.6.90.0130.08020.89
5.6.80.0030.04020.38
5.6.70.0270.04720.34
5.5.350.0130.08020.52
5.5.340.0000.05717.98
5.5.330.0100.08320.27
5.5.320.0100.08720.46
5.5.310.0270.07720.19
5.5.300.0130.04718.08
5.5.290.0070.07318.08
5.5.280.0170.06720.90
5.5.270.0100.05720.87
5.5.260.0200.07020.87
5.5.250.0130.08020.71
5.5.240.0030.08720.12
5.4.450.0130.06319.55
5.4.440.0200.05319.63
5.4.430.0670.06019.38
5.4.420.0130.05019.45
5.4.410.0130.05719.57
5.4.400.0200.06018.90
5.4.390.0330.04318.71
5.4.380.0300.05018.76
5.4.370.0270.06018.82
5.4.360.0270.05018.62
5.4.350.0270.05718.57
5.4.340.0230.05718.59
5.4.320.0270.05718.72
5.4.310.0330.04718.84
5.4.300.0200.06018.75
5.4.290.0170.06018.75
5.4.280.0300.05018.63
5.4.270.0270.05018.73
5.4.260.0370.04318.76
5.4.250.0370.04718.81
5.4.240.0300.05018.69
5.4.230.0330.04718.77
5.4.220.0300.05018.58
5.4.210.0200.05718.74
5.4.200.0230.05016.79
5.4.190.0300.05018.74
5.4.180.0170.06718.71
5.4.170.0230.05718.48
5.4.160.0270.04718.59
5.4.150.0230.05318.71
5.4.140.0300.04716.48
5.4.130.0230.05016.31
5.4.120.0200.06316.36
5.4.110.0230.05016.34
5.4.100.0330.05316.23
5.4.90.0330.04316.16
5.4.80.0270.05316.29
5.4.70.0330.04716.27
5.4.60.0300.04716.18
5.4.50.0300.04316.23
5.4.40.0170.06016.29
5.4.30.0230.05016.23
5.4.20.0170.06016.29
5.4.10.0300.04316.18
5.4.00.0230.05015.77
5.3.290.0270.05014.87
5.3.280.0170.06014.80
5.3.270.0300.05314.59
5.3.260.0270.05014.63
5.3.250.0300.04714.70
5.3.240.0300.04714.81
5.3.230.0230.05314.64
5.3.220.0230.05314.63
5.3.210.0200.06014.78
5.3.200.0270.05014.68
5.3.190.0130.06314.77
5.3.180.0230.05014.59
5.3.170.0270.04714.60
5.3.160.0200.05314.79
5.3.150.0270.05014.79
5.3.140.0230.05314.56
5.3.130.0230.06014.69
5.3.120.0330.05714.72
5.3.110.0300.04714.71
5.3.100.0230.05314.14
5.3.90.0330.04314.02
5.3.80.0230.05014.23
5.3.70.0130.06314.00
5.3.60.0270.05014.11
5.3.50.0270.05014.05
5.3.40.0230.05314.11
5.3.30.0270.04713.91
5.3.20.0270.04713.75
5.3.10.0230.04713.70
5.3.00.0330.04013.74
5.2.170.0200.04011.24
5.2.160.0130.04711.20
5.2.150.0270.03711.36
5.2.140.0170.04311.18
5.2.130.0170.04311.14
5.2.120.0170.04011.15
5.2.110.0170.04311.16
5.2.100.0230.04011.20
5.2.90.0200.04311.22
5.2.80.0170.04311.09
5.2.70.0200.04311.09
5.2.60.0170.04311.03
5.2.50.0230.03711.02
5.2.40.0170.04311.10
5.2.30.0100.04711.00
5.2.20.0170.04311.08
5.2.10.0200.03710.91
5.2.00.0170.04310.81
5.1.60.0170.03310.04
5.1.50.0130.03710.10
5.1.40.0170.0339.97
5.1.30.0200.04010.35
5.1.20.0230.03010.45
5.1.10.0170.03710.25
5.1.00.0230.03010.17
5.0.50.0070.0338.53
5.0.40.0100.0308.43
5.0.30.0130.0408.23
5.0.20.0100.0278.20
5.0.10.0100.0308.19
5.0.00.0030.0478.25
4.4.90.0100.0205.89
4.4.80.0070.0235.91
4.4.70.0100.0205.88
4.4.60.0100.0205.88
4.4.50.0100.0206.00
4.4.40.0100.0335.96
4.4.30.0070.0236.02
4.4.20.0100.0206.07
4.4.10.0100.0205.96
4.4.00.0070.0375.94
4.3.110.0130.0175.93
4.3.100.0170.0235.89
4.3.90.0100.0205.80
4.3.80.0030.0375.88
4.3.70.0100.0205.91
4.3.60.0070.0205.79
4.3.50.0130.0175.90
4.3.40.0100.0305.74
4.3.30.0070.0204.77
4.3.20.0030.0274.77
4.3.10.0030.0274.77
4.3.00.0100.0207.30

preferences:
49.99 ms | 401 KiB | 5 Q