3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 99; $o = new stdclass($x); var_dump($o); echo "\n"; $o1 = new stdclass($a=8); var_dump($a); // Notice: Undefined variable: a var_dump($o1);

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)
8.3.60.0090.01218.43
8.3.50.0180.01021.02
8.3.40.0070.00718.84
8.3.30.0090.00620.20
8.3.20.0070.00020.34
8.3.10.0080.00022.14
8.3.00.0000.00722.40
8.2.180.0140.00716.38
8.2.170.0100.00722.96
8.2.160.0130.00622.13
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00420.75
8.2.110.0030.00722.11
8.2.100.0120.00017.84
8.2.90.0040.00418.99
8.2.80.0000.00819.38
8.2.70.0060.00317.63
8.2.60.0050.00317.92
8.2.50.0000.00918.07
8.2.40.0000.00818.21
8.2.30.0080.00019.49
8.2.20.0070.00017.57
8.2.10.0080.00017.73
8.2.00.0040.00417.69
8.1.270.0040.00423.99
8.1.260.0150.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00023.97
8.1.230.0090.00319.22
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.13
8.1.190.0000.00817.41
8.1.180.0000.00818.10
8.1.170.0090.00018.42
8.1.160.0050.00318.81
8.1.150.0000.00718.58
8.1.140.0040.00417.43
8.1.130.0030.00317.86
8.1.120.0070.00017.42
8.1.110.0050.00217.29
8.1.100.0070.00017.34
8.1.90.0070.00017.29
8.1.80.0050.00217.31
8.1.70.0030.00317.27
8.1.60.0030.00717.40
8.1.50.0050.00217.33
8.1.40.0000.00717.48
8.1.30.0040.00417.59
8.1.20.0050.00317.50
8.1.10.0050.00317.56
8.1.00.0000.00717.52
8.0.300.0040.00418.77
8.0.290.0040.00417.04
8.0.280.0000.00718.35
8.0.270.0030.00317.11
8.0.260.0040.00416.79
8.0.250.0040.00416.80
8.0.240.0040.00416.85
8.0.230.0000.00816.77
8.0.220.0070.00016.85
8.0.210.0040.00416.79
8.0.200.0080.00016.80
8.0.190.0040.00416.87
8.0.180.0030.00316.80
8.0.170.0030.00316.89
8.0.160.0040.00416.76
8.0.150.0030.00316.75
8.0.140.0070.00016.78
8.0.130.0050.00013.24
8.0.120.0040.00416.67
8.0.110.0040.00416.76
8.0.100.0050.00316.78
8.0.90.0070.00016.66
8.0.80.0120.00416.89
8.0.70.0040.00416.66
8.0.60.0070.00016.89
8.0.50.0030.00316.70
8.0.30.0120.00717.05
8.0.20.0140.00517.40
8.0.10.0040.00416.80
8.0.00.0040.01316.70
7.4.330.0030.00314.98
7.4.320.0030.00316.34
7.4.300.0060.00016.51
7.4.290.0000.00716.47
7.4.280.0000.00716.59
7.4.270.0000.00816.36
7.4.260.0050.00013.20
7.4.250.0040.00416.41
7.4.240.0050.00216.50
7.4.230.0070.00016.32
7.4.220.0070.01416.58
7.4.210.0080.00616.48
7.4.200.0030.00316.53
7.4.190.0030.00316.59
7.4.160.0090.01216.54
7.4.150.0140.00317.40
7.4.140.0130.01117.86
7.4.130.0090.01116.46
7.4.120.0110.01116.30
7.4.110.0130.00916.31
7.4.100.0070.01016.58
7.4.90.0100.00716.43
7.4.80.0060.01319.39
7.4.70.0100.00716.40
7.4.60.0070.01016.41
7.4.50.0000.00816.40
7.4.40.0090.00622.77
7.4.30.0130.00816.32
7.4.00.0000.01214.97
7.3.330.0000.00613.06
7.3.320.0000.00512.98
7.3.310.0000.00616.12
7.3.300.0000.00616.18
7.3.290.0070.00716.11
7.3.280.0060.00816.11
7.3.270.0040.01317.40
7.3.260.0040.01416.23
7.3.250.0090.01216.34
7.3.240.0080.00816.38
7.3.230.0110.00916.39
7.3.210.0060.01016.02
7.3.200.0120.00619.39
7.3.190.0110.01116.20
7.3.180.0080.01116.54
7.3.170.0050.01116.27
7.3.160.0100.00616.27
7.3.120.0060.00614.83
7.2.330.0090.00916.64
7.2.320.0060.01216.59
7.2.310.0140.00916.53
7.2.300.0030.01316.77
7.2.290.0130.00916.37
7.2.60.0030.01016.81
7.1.200.0040.01115.57
7.1.70.0000.00817.06
7.1.60.0100.01319.20
7.1.50.0290.01034.80
7.1.00.0000.03722.27
7.0.200.0030.00516.53
7.0.140.0000.07721.94
7.0.100.0100.05020.05
7.0.90.0100.07719.86
7.0.80.0070.08019.98
7.0.70.0300.06019.85
7.0.60.0070.07019.83
7.0.50.0130.05320.36
7.0.40.0070.04720.07
7.0.30.0130.08020.13
7.0.20.0070.06720.07
7.0.10.0130.04020.09
7.0.00.0030.08320.08
5.6.280.0100.06720.94
5.6.250.0030.06020.55
5.6.240.0100.08320.63
5.6.230.0030.05720.63
5.6.220.0100.07020.66
5.6.210.0030.04720.45
5.6.200.0070.07721.03
5.6.190.0070.07721.16
5.6.180.0070.08021.06
5.6.170.0000.07721.04
5.6.160.0030.05320.93
5.6.150.0000.05321.05
5.6.140.0030.09321.07
5.6.130.0030.07721.09
5.6.120.0070.04721.02
5.6.110.0030.08720.97
5.6.100.0100.07320.93
5.6.90.0030.08721.08
5.6.80.0070.07720.39
5.6.70.0030.07720.43
5.6.60.0100.07720.55
5.6.50.0000.04320.43
5.6.40.0100.03320.43
5.6.30.0030.05020.45
5.6.20.0030.04020.39
5.6.10.0000.04320.37
5.6.00.0030.05320.41
5.5.380.0000.05320.36
5.5.370.0130.04020.48
5.5.360.0100.07020.43
5.5.350.0070.04020.41
5.5.340.0030.05720.80
5.5.330.0100.04320.75
5.5.320.0030.07020.83
5.5.310.0030.07720.85
5.5.300.0100.08020.91
5.5.290.0030.05020.75
5.5.280.0030.05720.88
5.5.270.0170.03720.88
5.5.260.0130.07720.84
5.5.250.0070.07720.60
5.5.240.0100.07320.18
5.5.230.0030.06720.24
5.5.220.0170.07320.25
5.5.210.0170.06320.01
5.5.200.0100.03320.21
5.5.190.0030.04020.06
5.5.180.0070.04320.23
5.5.160.0030.04020.13
5.5.150.0100.03020.08
5.5.140.0030.04020.23
5.5.130.0130.02720.23
5.5.120.0030.03320.17
5.5.110.0030.04020.06
5.5.100.0070.03720.11
5.5.90.0030.04719.93
5.5.80.0030.03720.00
5.5.70.0130.04320.07
5.5.60.0070.03720.05
5.5.50.0070.04720.02
5.5.40.0070.03719.95
5.5.30.0070.04020.05
5.5.20.0070.03720.04
5.5.10.0070.03719.95
5.5.00.0030.04320.04
5.4.450.0030.05719.36
5.4.440.0000.08319.44
5.4.430.0070.07719.30
5.4.420.0070.07319.46
5.4.410.0070.07719.29
5.4.400.0100.07019.03
5.4.390.0000.08719.23
5.4.380.0070.07318.94
5.4.370.0100.06319.02
5.4.360.0030.04019.05
5.4.350.0000.04719.14
5.4.340.0030.04019.14
5.4.320.0000.04718.80
5.4.310.0030.04018.81
5.4.300.0030.03719.09
5.4.290.0030.04719.05
5.4.280.0130.03019.07
5.4.270.0070.03718.94
5.4.260.0070.02719.14
5.4.250.0070.03318.97
5.4.240.0030.03319.02
5.4.230.0000.03718.97
5.4.220.0070.04318.91
5.4.210.0030.03718.97
5.4.200.0000.04018.80
5.4.190.0070.04019.05
5.4.180.0000.03718.77
5.4.170.0030.03719.11
5.4.160.0130.03018.96
5.4.150.0030.03719.01
5.4.140.0000.04016.36
5.4.130.0030.03716.35
5.4.120.0030.03316.45
5.4.110.0070.03316.26
5.4.100.0130.04716.23
5.4.90.0070.03316.21
5.4.80.0000.03716.32
5.4.70.0100.02316.25
5.4.60.0030.03716.42
5.4.50.0000.04016.18
5.4.40.0030.03716.40
5.4.30.0030.04316.35
5.4.20.0030.07016.23
5.4.10.0070.07316.20
5.4.00.0030.07015.56
5.3.290.0030.03714.53
5.3.280.0030.03714.60
5.3.270.0070.04314.59
5.3.260.0000.04314.57
5.3.250.0000.04714.52
5.3.240.0030.03714.60
5.3.230.0000.04014.51
5.3.220.0130.02714.43
5.3.210.0000.04014.54
5.3.200.0070.04014.57
5.3.190.0030.03714.55
5.3.180.0030.03714.50
5.3.170.0070.02714.54
5.3.160.0030.03714.42
5.3.150.0070.03014.41
5.3.140.0070.07014.53
5.3.130.0000.04014.38
5.3.120.0000.05314.54
5.3.110.0030.08014.53
5.3.100.0100.06714.03
5.3.90.0130.07314.02
5.3.80.0100.06714.01
5.3.70.0100.04713.87
5.3.60.0070.07013.97
5.3.50.0030.07313.70
5.3.40.0030.04013.95
5.3.30.0070.07313.66
5.3.20.0100.05313.54
5.3.10.0070.06313.66
5.3.00.0030.07713.50
5.2.170.0030.06711.00
5.2.160.0100.05011.19
5.2.150.0030.06310.98
5.2.140.0000.06711.05
5.2.130.0130.05010.89
5.2.120.0100.05711.15
5.2.110.0070.06311.07
5.2.100.0100.05310.94
5.2.90.0030.06310.95
5.2.80.0100.04711.13
5.2.70.0030.03710.91
5.2.60.0070.06011.04
5.2.50.0030.06010.85
5.2.40.0030.06310.98
5.2.30.0030.06010.80
5.2.20.0030.04011.02
5.2.10.0000.05310.88
5.2.00.0070.05010.62
5.1.60.0000.0309.99
5.1.50.0030.05010.04
5.1.40.0030.0379.81
5.1.30.0030.05710.19
5.1.20.0070.02710.20
5.1.10.0130.04010.09
5.1.00.0030.02010.05
5.0.50.0000.0308.55
5.0.40.0030.0238.48
5.0.30.0000.0678.40
5.0.20.0030.0238.40
5.0.10.0030.0438.40
5.0.00.0000.0708.40
4.4.90.0000.0238.40
4.4.80.0000.0208.40
4.4.70.0030.0308.40
4.4.60.0000.0178.40
4.4.50.0030.0238.40
4.4.40.0070.0438.40
4.4.30.0030.0138.40
4.4.20.0000.0378.40
4.4.10.0030.0338.40
4.4.00.0030.0508.40
4.3.110.0070.0238.40
4.3.100.0000.0208.40
4.3.90.0000.0338.40
4.3.80.0000.0278.40
4.3.70.0000.0208.40
4.3.60.0000.0378.40
4.3.50.0000.0208.40
4.3.40.0030.0478.40
4.3.30.0030.0208.40
4.3.20.0030.0338.40
4.3.10.0070.0338.40
4.3.00.0030.0338.40

preferences:
60.95 ms | 400 KiB | 5 Q