3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Text; class X extends \DateTime { } $a = new DateTime(); $b = new X(); var_export(is_a($a, 'DateTime')); var_export(is_a($b, 'DateTime'));

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)
8.3.60.0180.00418.56
8.3.50.0090.00922.87
8.3.40.0040.01818.85
8.3.30.0110.00419.09
8.3.20.0000.01520.39
8.3.10.0070.00321.90
8.3.00.0000.00919.38
8.2.180.0100.01016.50
8.2.170.0130.00622.96
8.2.160.0140.00420.46
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00320.90
8.2.110.0030.00622.21
8.2.100.0090.00317.72
8.2.90.0050.00319.04
8.2.80.0050.00317.97
8.2.70.0080.00017.50
8.2.60.0110.00017.78
8.2.50.0040.00418.07
8.2.40.0050.00318.03
8.2.30.0060.00317.87
8.2.20.0000.00717.66
8.2.10.0060.00317.90
8.2.00.0040.00417.66
8.1.280.0090.00625.92
8.1.270.0060.00323.96
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0000.00923.83
8.1.230.0080.00419.12
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0060.00317.22
8.1.190.0060.00317.22
8.1.180.0000.00818.10
8.1.170.0050.00320.35
8.1.160.0040.00421.82
8.1.150.0030.00618.76
8.1.140.0080.00017.25
8.1.130.0030.00317.77
8.1.120.0000.00717.24
8.1.110.0070.00017.36
8.1.100.0050.00317.30
8.1.90.0000.00717.32
8.1.80.0070.00017.37
8.1.70.0030.00317.29
8.1.60.0080.00017.46
8.1.50.0040.00417.35
8.1.40.0040.00417.51
8.1.30.0060.00617.61
8.1.20.0090.00017.57
8.1.10.0000.00817.39
8.1.00.0020.00517.45
8.0.300.0070.00018.77
8.0.290.0060.00316.63
8.0.280.0050.00318.31
8.0.270.0040.00417.18
8.0.260.0030.00317.24
8.0.250.0000.00716.89
8.0.240.0030.00316.82
8.0.230.0000.00716.96
8.0.220.0030.00316.86
8.0.210.0030.00316.84
8.0.200.0000.00716.97
8.0.190.0000.00716.95
8.0.180.0000.00816.92
8.0.170.0040.00416.85
8.0.160.0070.00016.91
8.0.150.0050.00316.84
8.0.140.0040.00416.88
8.0.130.0040.00413.30
8.0.120.0000.00816.91
8.0.110.0040.00416.79
8.0.100.0000.00716.70
8.0.90.0040.00416.74
8.0.80.0130.00916.87
8.0.70.0040.00416.91
8.0.60.0080.00016.91
8.0.50.0040.00416.92
8.0.30.0120.00916.99
8.0.20.0130.00517.40
8.0.10.0030.00516.93
8.0.00.0070.01216.84
7.4.330.0000.00615.00
7.4.320.0070.00016.45
7.4.300.0050.00316.36
7.4.290.0000.00716.50
7.4.280.0000.00716.47
7.4.270.0050.00316.55
7.4.260.0000.00816.50
7.4.250.0030.00316.29
7.4.240.0050.00216.34
7.4.230.0040.00416.33
7.4.220.0060.01216.40
7.4.210.0130.00616.32
7.4.200.0070.00016.44
7.4.160.0110.00616.61
7.4.150.0070.01117.40
7.4.140.0110.00717.86
7.4.130.0090.00816.44
7.4.120.0110.00716.57
7.4.110.0030.01416.46
7.4.100.0090.00916.56
7.4.90.0070.01016.48
7.4.80.0090.00819.39
7.4.70.0150.00716.53
7.4.60.0100.00616.29
7.4.50.0030.00316.53
7.4.40.0090.00616.51
7.4.30.0110.00716.58
7.4.00.0040.00814.89
7.3.330.0050.00013.27
7.3.320.0060.00013.22
7.3.310.0000.00716.33
7.3.300.0070.00016.34
7.3.290.0130.00316.21
7.3.280.0130.00216.25
7.3.270.0090.00917.40
7.3.260.0150.00916.48
7.3.250.0160.00316.40
7.3.240.0030.01316.25
7.3.230.0130.00316.43
7.3.210.0060.01016.60
7.3.200.0040.01719.39
7.3.190.0170.00016.32
7.3.180.0140.00716.30
7.3.170.0030.01316.48
7.3.160.0090.00616.29
7.2.330.0090.00916.62
7.2.320.0000.01816.54
7.2.310.0100.00716.45
7.2.300.0150.00316.61
7.2.290.0090.00916.37
7.2.60.0180.00316.66
7.2.00.0000.01319.02
7.1.200.0070.00715.63
7.1.100.1040.00315.52
7.1.70.0060.01017.00
7.1.60.0100.01419.40
7.1.50.0100.01316.83
7.1.00.0030.09722.57
7.0.200.0000.00716.73
7.0.140.0000.07721.93
7.0.60.0230.08321.73
7.0.50.0030.04017.85
7.0.40.0100.08720.05
7.0.30.0300.07720.20
7.0.20.0200.04720.33
7.0.10.0070.05020.23
7.0.00.0070.04720.29
5.6.280.0030.07321.00
5.6.210.0130.07320.47
5.6.200.0000.04318.22
5.6.190.0070.08720.47
5.6.180.0300.07720.77
5.6.170.0170.04320.62
5.6.160.0130.07020.39
5.6.150.0030.05018.15
5.6.140.0130.07318.17
5.6.130.0070.08318.19
5.6.120.0070.04721.00
5.6.110.0070.08320.89
5.6.100.0200.07321.13
5.6.90.0100.08321.00
5.6.80.0030.07320.48
5.5.350.0230.08020.33
5.5.340.0030.04717.98
5.5.330.0070.04020.57
5.5.320.0300.03720.33
5.5.310.0230.05020.32
5.5.300.0130.04318.01
5.5.290.0000.06318.00
5.5.280.0170.07720.94
5.5.270.0030.08720.77
5.5.260.0130.07720.76
5.5.250.0100.08020.69
5.5.240.0270.07020.07
5.4.450.4070.03319.45
5.4.440.0070.04719.45
5.4.430.1030.05019.52
5.4.420.3730.03319.28
5.4.410.4030.04019.11
5.4.400.4370.04018.95
5.4.390.4100.04319.05
5.4.380.4530.04018.97
5.4.370.3470.03719.04
5.4.360.4200.03719.04
5.4.350.3870.03719.12
5.4.340.3930.03319.16
5.4.320.4300.03019.12
5.4.310.4130.03718.91
5.4.300.4430.04018.91
5.4.290.4200.05019.21
5.4.280.3570.04018.93
5.4.270.3900.04019.05
5.4.260.3600.03718.89
5.4.250.4100.04719.04
5.4.240.3570.04018.94
5.4.230.4400.03719.19
5.4.220.3070.04018.89
5.4.210.3200.03719.15
5.4.200.3070.03318.95
5.4.190.2530.03019.11
5.4.180.2970.03719.24
5.4.170.2930.03319.03
5.4.160.2830.04019.06
5.4.150.3500.03719.16
5.4.140.3870.03716.50
5.4.130.3430.03716.38
5.4.120.0030.05016.23
5.4.110.4600.03316.52
5.4.100.4170.03016.44
5.4.90.4700.04016.51
5.4.80.4630.04016.34
5.4.70.4070.03016.51
5.4.60.4670.03316.48
5.4.50.4030.03016.50
5.4.40.3900.03016.23
5.4.30.3800.03316.23
5.4.20.0070.04716.51
5.4.10.0070.07016.60
5.4.00.2270.03315.82
5.3.290.3930.04014.70
5.3.280.1670.03714.59
5.3.270.3200.04314.62
5.3.260.2670.03714.52
5.3.250.3300.03314.61
5.3.240.3100.02714.63
5.3.230.0830.03714.63
5.3.220.0100.05714.55
5.3.210.0530.05014.57
5.3.200.4730.03714.59
5.3.190.4270.03314.59
5.3.180.3670.03314.60
5.3.170.4430.03314.59
5.3.160.4500.03714.56
5.3.150.4800.03014.57
5.3.140.4230.04014.59
5.3.130.3830.03714.57
5.3.120.3700.03714.61
5.3.110.0170.06714.62
5.3.100.3870.03314.09
5.3.90.3800.04014.04
5.3.80.3800.03714.04
5.3.70.4670.03314.05
5.3.60.3930.03014.15
5.3.50.3730.03713.92
5.3.40.3700.03713.84
5.3.30.3700.03713.96
5.3.20.4230.03713.74
5.3.10.3700.03313.69
5.3.00.4000.03013.64
5.2.170.3270.02711.11
5.2.160.2800.03011.15
5.2.150.4200.03311.15
5.2.140.3230.02711.02
5.2.130.3370.02711.18
5.2.120.3500.03011.25
5.2.110.2930.03010.98
5.2.100.3570.03011.03
5.2.90.3030.03311.00
5.2.80.3500.03010.97
5.2.70.3200.02711.02
5.2.60.3500.02711.03
5.2.50.3770.02710.94
5.2.40.2430.03310.83
5.2.30.2800.02710.90
5.2.20.2600.02010.90
5.2.10.2830.02310.89
5.2.00.2770.03010.72
5.1.60.2400.0239.95
5.1.50.2800.03010.04
5.1.40.3470.0279.97
5.1.30.3030.02710.34
5.1.20.2330.02710.25
5.1.10.3000.02310.04
5.1.00.3130.02710.07
5.0.50.1670.0238.50
5.0.40.1230.0208.40
5.0.30.1400.0278.21
5.0.20.1830.0178.18
5.0.10.1670.0208.13
5.0.00.1600.0278.21
4.4.90.1600.0205.80
4.4.80.1530.0135.81
4.4.70.1500.0175.77
4.4.60.1730.0135.80
4.4.50.1200.0105.84
4.4.40.1230.0275.78
4.4.30.1400.0175.77
4.4.20.1130.0235.92
4.4.10.1470.0175.87
4.4.00.1470.0235.93
4.3.110.1630.0205.76
4.3.100.1570.0135.74
4.3.90.1870.0175.76
4.3.80.1670.0235.71
4.3.70.1100.0205.75
4.3.60.1400.0175.77
4.3.50.1570.0175.82
4.3.40.1630.0235.66
4.3.30.0530.0235.10
4.3.20.0970.0205.10
4.3.10.0800.0135.10
4.3.00.0870.0175.10

preferences:
49.14 ms | 401 KiB | 5 Q