3v4l.org

run code in 300+ PHP versions simultaneously
<?php date_default_timezone_set('America/New_York'); $date = new DateTime(); echo json_encode($date,JSON_FORCE_OBJECT); var_dump(json_last_error(), json_last_error_msg()); function check($name) { $o = new $name('now', new DateTimeZone('UTC')); echo json_encode($o); $s = serialize($o); var_dump(isset($o2->_date_time) === false); } check('DateTime'); class A extends DateTime {} check('A');

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)
8.3.60.0140.00416.63
8.3.50.0150.00721.92
8.3.40.0110.00418.80
8.3.30.0060.01019.04
8.3.20.0020.00520.16
8.3.10.0000.00823.61
8.3.00.0000.00819.02
8.2.180.0100.01018.19
8.2.170.0170.00022.96
8.2.160.0070.00720.33
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00420.35
8.2.110.0070.00420.93
8.2.100.0120.00017.84
8.2.90.0030.00618.16
8.2.80.0100.00017.97
8.2.70.0040.00417.63
8.2.60.0000.00817.80
8.2.50.0050.00318.07
8.2.40.0000.00819.88
8.2.30.0040.00418.34
8.2.20.0040.00417.94
8.2.10.0080.00017.95
8.2.00.0040.00417.99
8.1.280.0130.00725.92
8.1.270.0050.00323.96
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0100.00322.45
8.1.230.0040.00720.93
8.1.220.0040.00417.78
8.1.210.0030.00518.77
8.1.200.0030.00617.47
8.1.190.0050.00317.38
8.1.180.0030.00619.01
8.1.170.0000.00918.49
8.1.160.0050.00221.96
8.1.150.0050.00318.70
8.1.140.0040.00417.51
8.1.130.0070.00017.95
8.1.120.0080.00017.62
8.1.110.0000.00817.64
8.1.100.0000.00717.64
8.1.90.0000.00817.61
8.1.80.0080.00017.55
8.1.70.0000.00717.58
8.1.60.0040.00417.73
8.1.50.0050.00317.63
8.1.40.0040.00417.57
8.1.30.0000.00817.69
8.1.20.0080.00017.70
8.1.10.0070.00017.77
8.1.00.0080.00017.61
8.0.300.0040.00419.98
8.0.290.0040.00417.30
8.0.280.0030.00318.58
8.0.270.0000.00717.32
8.0.260.0030.00317.25
8.0.250.0030.00317.05
8.0.240.0000.00917.07
8.0.230.0030.00317.13
8.0.220.0030.00316.92
8.0.210.0030.00316.96
8.0.200.0000.00717.07
8.0.190.0040.00417.10
8.0.180.0050.00216.93
8.0.170.0080.00017.09
8.0.160.0000.00816.91
8.0.150.0070.00017.02
8.0.140.0000.00817.02
8.0.130.0000.00513.47
8.0.120.0040.00416.99
8.0.110.0040.00417.07
8.0.100.0030.00517.14
8.0.90.0040.00417.07
8.0.80.0090.01117.07
8.0.70.0090.00017.02
8.0.60.0070.00016.89
8.0.50.0050.00216.91
8.0.30.0100.00917.21
8.0.20.0100.00817.40
8.0.10.0040.00417.05
8.0.00.0090.00916.85
7.4.330.0000.00615.14
7.4.320.0000.00616.57
7.4.300.0060.00016.62
7.4.290.0000.00816.63
7.4.280.0030.00316.73
7.4.270.0080.00016.72
7.4.260.0030.00316.57
7.4.250.0000.00716.68
7.4.240.0030.00416.70
7.4.230.0080.00016.47
7.4.220.0130.00716.64
7.4.210.0070.00716.78
7.4.200.0050.00216.80
7.4.190.0070.00016.79
7.4.160.0080.00816.73
7.4.150.0160.01017.40
7.4.140.0140.00317.86
7.4.130.0070.01116.63
7.4.120.0080.01016.77
7.4.110.0100.00716.57
7.4.100.0120.00616.68
7.4.90.0160.00416.93
7.4.80.0070.01519.39
7.4.70.0030.01516.79
7.4.60.0090.00816.53
7.4.50.0080.00016.71
7.4.40.0080.00916.73
7.4.30.0030.01316.80
7.4.00.0040.01415.35
7.3.330.0050.00013.55
7.3.320.0000.00613.55
7.3.310.0070.00016.41
7.3.300.0030.00316.57
7.3.290.0100.00616.53
7.3.280.0080.00916.53
7.3.270.0140.00317.40
7.3.260.0190.00316.74
7.3.250.0080.01216.72
7.3.240.0090.00916.66
7.3.230.0110.00716.66
7.3.210.0090.00916.71
7.3.200.0060.01219.39
7.3.190.0040.01216.49
7.3.180.0050.01116.65
7.3.170.0080.00816.70
7.3.160.0170.00716.64
7.3.120.0060.00915.13
7.3.00.0140.00017.04
7.2.330.0090.00916.57
7.2.320.0090.00916.63
7.2.310.0030.01416.89
7.2.300.0090.00916.98
7.2.290.0030.01316.94
7.2.130.0070.01016.86
7.2.120.0030.01016.94
7.2.110.0070.00717.26
7.2.100.0060.00616.88
7.2.90.0060.00917.16
7.2.80.0080.00416.84
7.2.70.0090.00317.10
7.2.60.0030.01016.92
7.2.50.0000.01416.81
7.2.40.0060.00917.14
7.2.30.0000.01117.05
7.2.20.0060.00916.85
7.2.10.0030.01017.11
7.2.00.0090.00518.51
7.1.250.0030.00715.75
7.1.240.0070.00716.11
7.1.230.0060.00916.00
7.1.220.0040.01116.08
7.1.210.0040.00716.01
7.1.200.0060.00816.09
7.1.190.0040.01116.00
7.1.180.0030.01316.11
7.1.170.0100.00316.06
7.1.160.0070.00415.93
7.1.150.0030.01015.89
7.1.140.0000.01116.05
7.1.130.0100.00715.64
7.1.120.0000.01316.02
7.1.110.0070.00715.69
7.1.100.0060.00717.30
7.1.90.0070.00715.81
7.1.80.0030.01416.13
7.1.70.0010.01016.74
7.1.60.0040.01217.74
7.1.50.0120.01016.49
7.1.40.0140.00015.68
7.1.30.0000.01315.98
7.1.20.0090.00616.04
7.1.10.0000.01215.99
7.1.00.0050.04219.24
7.0.330.0000.01315.60
7.0.320.0070.00315.33
7.0.310.0030.00915.83
7.0.300.0080.00815.36
7.0.290.0040.01115.31
7.0.280.0040.00415.57
7.0.270.0000.00815.55
7.0.260.0030.01015.85
7.0.250.0000.01215.56
7.0.240.0050.00515.66
7.0.230.0050.00515.36
7.0.220.0080.00515.45
7.0.210.0070.00715.61
7.0.200.0040.00716.17
7.0.190.0030.01015.68
7.0.180.0000.01615.46
7.0.170.0120.00015.64
7.0.160.0030.01315.54
7.0.150.0050.00515.69
7.0.140.0090.03718.81
7.0.130.0040.01115.71
7.0.120.0110.00415.28
7.0.110.0060.00815.54
7.0.100.0080.00615.73
7.0.90.0320.03717.77
7.0.80.0310.04117.85
7.0.70.0320.04217.58
7.0.60.0270.04717.86
7.0.50.0340.03818.06
7.0.40.0100.04116.92
7.0.30.0020.03316.93
7.0.20.0060.04216.91
7.0.10.0080.04516.87
7.0.00.0080.04316.83
5.6.380.0160.00014.35
5.6.370.0070.00714.43
5.6.360.0060.00814.65
5.6.350.0060.00614.73
5.6.340.0070.00714.50
5.6.330.0060.00314.46
5.6.320.0030.00714.10
5.6.310.0090.00914.32
5.6.300.0140.00314.72
5.6.290.0000.01514.30
5.6.280.0050.04117.83
5.6.270.0080.00814.51
5.6.260.0000.01614.42
5.6.250.0150.00014.71
5.6.240.0110.04117.56
5.6.230.0090.02917.71
5.6.220.0080.04217.52
5.6.210.0110.04117.47
5.6.200.0070.04217.87
5.6.190.0030.04617.71
5.6.180.0120.03717.76
5.6.170.0030.02517.79
5.6.160.0150.03817.75
5.6.150.0070.04617.82
5.6.140.0100.04317.65
5.6.130.0100.03717.83
5.6.120.0080.04817.95
5.6.110.0040.03517.82
5.6.100.0050.04317.71
5.6.90.0090.02817.76
5.6.80.0050.03517.33
5.6.70.0020.05017.44
5.6.60.0070.03517.33
5.6.50.0050.03317.41
5.6.40.0050.04517.39
5.6.30.0070.04317.35
5.6.20.0030.04217.54
5.6.10.0090.04017.28
5.6.00.0070.03917.36
5.5.380.0020.04715.99
5.5.370.0070.03516.06
5.5.360.0050.03015.96
5.5.350.0120.03816.00
5.5.340.0020.04516.21
5.5.330.0060.04616.16
5.5.320.0110.03515.92
5.5.310.0070.04816.17
5.5.300.0080.04116.01
5.5.290.0030.04515.89
5.5.280.0030.02516.03
5.5.270.0050.04516.16
5.5.260.0100.03816.12
5.5.250.0130.04016.01
5.5.240.0080.04115.76
5.5.230.0100.04015.78
5.5.220.0050.02515.86
5.5.210.0120.03715.67
5.5.200.0070.04315.82
5.5.190.0030.04515.88
5.5.180.0050.03515.64
5.5.170.0030.00711.38
5.5.160.0070.03315.71
5.5.150.0080.04415.73
5.5.140.0040.04715.90
5.5.130.0050.04515.64
5.5.120.0050.04615.62
5.5.110.0030.04515.82
5.5.100.0050.04615.81
5.5.90.0080.04215.63
5.5.80.0060.04315.79
5.5.70.0030.04715.65
5.5.60.0080.03715.41
5.5.50.0070.04015.57
5.5.40.0080.04015.62
5.5.30.0070.04015.66
5.5.20.0080.03715.71
5.5.10.0060.02115.41
5.5.00.0040.03115.76
5.4.450.0050.04115.42
5.4.440.0050.04515.27
5.4.430.0070.03915.25
5.4.420.0040.02915.20
5.4.410.0030.04315.30
5.4.400.0050.04115.15
5.4.390.0050.02615.10
5.4.380.0070.03414.99
5.4.370.0070.02215.24
5.4.360.0050.04315.26
5.4.350.0050.04015.11
5.4.340.0060.04214.96
5.4.330.0000.00911.24
5.4.320.0070.03215.14
5.4.310.0070.03615.21
5.4.300.0030.04114.89
5.4.290.0050.04315.28
5.4.280.0050.03515.15
5.4.270.0120.03914.90
5.4.260.0050.04015.11
5.4.250.0020.04214.83
5.4.240.0050.03914.90
5.4.230.0070.04215.20
5.4.220.0020.05015.13
5.4.210.0050.03814.99
5.4.200.0020.04414.98
5.4.190.0060.04015.00
5.4.180.0030.03615.16
5.4.170.0020.04415.15
5.4.160.0030.03414.99
5.4.150.0060.04315.12
5.4.140.0070.02513.79
5.4.130.0110.02313.70
5.4.120.0060.03913.63
5.4.110.0050.02213.72
5.4.100.0020.04013.82
5.4.90.0070.01913.80
5.4.80.0050.02713.90
5.4.70.0090.03513.91
5.4.60.0100.03413.75
5.4.50.0050.04213.84
5.4.40.0030.02713.69
5.4.30.0080.03813.87
5.4.20.0130.03713.63
5.4.10.0090.03713.77
5.4.00.0030.04513.48
5.3.290.0000.04712.74
5.3.280.0100.03512.72
5.3.270.0020.04512.63
5.3.260.0050.04012.62
5.3.250.0050.04212.67
5.3.240.0050.04212.66
5.3.230.0030.03912.69
5.3.220.0020.03112.63
5.3.210.0050.04212.60
5.3.200.0020.04512.67
5.3.190.0000.02412.74
5.3.180.0120.03812.84
5.3.170.0040.03612.80
5.3.160.0040.04012.71
5.3.150.0020.04512.73
5.3.140.0110.03812.67
5.3.130.0030.04312.60
5.3.120.0030.04112.73
5.3.110.0070.04012.53
5.3.100.0080.04012.40
5.3.90.0050.03812.39
5.3.80.0060.03912.36
5.3.70.0020.02512.33
5.3.60.0080.03312.46
5.3.50.0080.02312.47
5.3.40.0040.03912.30
5.3.30.0060.03512.41
5.3.20.0070.02212.12
5.3.10.0050.04012.10
5.3.00.0000.04212.03
5.2.170.0050.03510.77
5.2.160.0060.03010.83
5.2.150.0060.03110.86
5.2.140.0070.02210.77
5.2.130.0030.02310.79
5.2.120.0050.03410.83
5.2.110.0020.02910.75
5.2.100.0070.03310.80
5.2.90.0130.02810.75
5.2.80.0020.02710.86
5.2.70.0100.03210.80
5.2.60.0010.02610.71
5.2.50.0050.03610.76
5.2.40.0050.03210.80
5.2.30.0030.03310.76
5.2.20.0080.02810.77
5.2.10.0080.02810.70
5.2.00.0070.03010.67
5.1.60.0070.02710.30
5.1.50.0080.01510.28
5.1.40.0020.03210.23
5.1.30.0090.02810.47
5.1.20.0030.02910.45
5.1.10.0050.02810.29
5.1.00.0020.02810.20
5.0.50.0030.0219.56
5.0.40.0000.0269.47
5.0.30.0040.0309.40
5.0.20.0020.0239.38
5.0.10.0050.0219.33
5.0.00.0060.0289.37
4.4.90.0050.0178.88
4.4.80.0040.0208.88
4.4.70.0000.0218.88
4.4.60.0030.0218.88
4.4.50.0020.0208.88
4.4.40.0020.0228.88
4.4.30.0020.0228.88
4.4.20.0000.0218.88
4.4.10.0000.0228.88
4.4.00.0020.0268.88
4.3.110.0010.0218.88
4.3.100.0000.0228.88
4.3.90.0030.0118.88
4.3.80.0030.0288.88
4.3.70.0040.0158.88
4.3.60.0010.0188.88
4.3.50.0020.0158.88
4.3.40.0040.0178.88
4.3.30.0000.0208.88
4.3.20.0050.0158.88
4.3.10.0020.0188.88
4.3.00.0010.0158.88

preferences:
81.94 ms | 401 KiB | 5 Q