3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $x; } $a = new Foo(); $b = new Foo(); $a->x = new Foo(); $a->x->x = 3; $b->x = new Foo(); $b->x->x = 2; $areNotEqual = ($a != $b); echo var_export($areNotEqual, true); ?>

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)
8.3.60.0100.01018.45
8.3.50.0120.00421.21
8.3.40.0120.00318.71
8.3.30.0100.01020.21
8.3.20.0050.00318.82
8.3.10.0050.00321.05
8.3.00.0040.00422.45
8.2.180.0120.00616.50
8.2.170.0040.01122.96
8.2.160.0140.00720.39
8.2.150.0090.00924.18
8.2.140.0180.00024.66
8.2.130.0060.00326.16
8.2.120.0040.00420.94
8.2.110.0040.00721.03
8.2.100.0060.00617.91
8.2.90.0030.00619.32
8.2.80.0070.00019.04
8.2.70.0060.00317.59
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0030.00518.16
8.2.30.0030.00617.91
8.2.20.0040.00417.65
8.2.10.0080.00017.68
8.2.00.0080.00017.66
8.1.280.0060.00925.92
8.1.270.0060.01223.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00620.77
8.1.230.0040.00720.95
8.1.220.0030.00617.74
8.1.210.0060.00318.84
8.1.200.0100.00017.35
8.1.190.0070.00017.63
8.1.180.0050.00318.10
8.1.170.0000.00818.89
8.1.160.0000.00718.87
8.1.150.0040.00418.65
8.1.140.0000.00817.43
8.1.130.0000.00717.82
8.1.120.0030.00617.39
8.1.110.0000.00817.48
8.1.100.0000.00717.47
8.1.90.0000.00717.43
8.1.80.0040.00417.45
8.1.70.0070.00017.37
8.1.60.0000.00817.64
8.1.50.0000.00817.51
8.1.40.0070.00017.41
8.1.30.0040.00417.64
8.1.20.0000.00817.65
8.1.10.0030.00617.63
8.1.00.0000.00817.57
8.0.300.0000.00819.89
8.0.290.0040.00416.63
8.0.280.0040.00418.48
8.0.270.0070.00017.25
8.0.260.0030.00516.81
8.0.250.0000.00616.83
8.0.240.0070.00016.88
8.0.230.0030.00316.95
8.0.220.0030.00316.88
8.0.210.0040.00416.76
8.0.200.0000.00616.98
8.0.190.0070.00016.82
8.0.180.0070.00016.80
8.0.170.0050.00316.79
8.0.160.0030.00316.73
8.0.150.0000.00716.86
8.0.140.0000.00716.85
8.0.130.0060.00013.28
8.0.120.0040.00416.79
8.0.110.0040.00416.84
8.0.100.0040.00416.95
8.0.90.0030.00516.84
8.0.80.0070.01416.77
8.0.70.0040.00416.94
8.0.60.0040.00416.71
8.0.50.0000.00716.88
8.0.30.0120.00817.13
8.0.20.0080.01117.40
8.0.10.0030.00317.09
8.0.00.0110.00816.89
7.4.330.0050.00016.82
7.4.320.0060.00016.59
7.4.300.0000.00616.55
7.4.290.0000.00716.46
7.4.280.0030.00316.63
7.4.270.0000.00616.44
7.4.260.0030.00313.22
7.4.250.0090.00016.53
7.4.240.0040.00316.59
7.4.230.0050.00216.63
7.4.220.0040.01616.49
7.4.210.0090.00616.55
7.4.200.0030.00316.39
7.4.190.0030.00316.54
7.4.160.0160.00716.45
7.4.150.0110.00817.40
7.4.140.0050.01217.86
7.4.130.0110.00616.47
7.4.120.0100.00616.59
7.4.110.0140.00716.42
7.4.100.0140.00316.40
7.4.90.0160.00416.44
7.4.80.0120.00619.39
7.4.70.0070.01016.64
7.4.60.0030.01416.57
7.4.50.0000.00816.34
7.4.40.0070.01122.77
7.4.30.0070.01016.55
7.4.00.0040.00715.04
7.3.330.0060.00013.22
7.3.320.0050.00013.10
7.3.310.0070.00016.17
7.3.300.0030.00316.21
7.3.290.0080.00616.32
7.3.280.0090.00716.32
7.3.270.0000.01717.40
7.3.260.0070.01218.24
7.3.250.0090.00916.40
7.3.240.0100.00716.25
7.3.230.0030.01316.55
7.3.210.0090.00816.24
7.3.200.0130.01019.39
7.3.190.0100.00716.40
7.3.180.0120.00416.17
7.3.170.0060.00916.32
7.3.160.0060.00916.31
7.3.120.0070.00715.00
7.2.330.0140.01016.77
7.2.320.0060.01116.43
7.2.310.0090.00916.78
7.2.300.0060.00916.71
7.2.290.0070.01016.72
7.1.100.0030.01017.87
7.1.70.0000.00817.25
7.1.60.0090.01219.17
7.1.50.0070.01717.02
7.1.00.0030.07322.40
7.0.200.0060.00616.91
7.0.140.0000.07722.04
7.0.100.0170.08020.04
7.0.90.0170.08719.95
7.0.80.0030.08719.98
7.0.70.0000.06720.00
7.0.60.0130.07719.95
7.0.50.0130.08320.30
7.0.40.0100.08020.13
7.0.30.0030.08320.13
7.0.20.0130.08020.11
7.0.10.0070.07720.14
7.0.00.0070.08320.07
5.6.280.0030.07320.96
5.6.250.0030.08320.54
5.6.240.0070.08320.70
5.6.230.0070.07720.57
5.6.220.0070.08320.65
5.6.210.0100.03720.64
5.6.200.0000.08020.98
5.6.190.0130.07721.06
5.6.180.0170.07321.06
5.6.170.0100.07721.02
5.6.160.0100.07021.06
5.6.150.0130.08021.11
5.6.140.0100.07721.13
5.6.130.0000.09321.13
5.6.120.0030.07021.00
5.6.110.0200.06720.96
5.6.100.0100.04321.12
5.6.90.0100.08320.94
5.6.80.0170.07020.37
5.6.70.0000.08720.55
5.6.60.0130.03720.50
5.6.50.0030.05020.38
5.6.40.0130.06320.53
5.6.30.0130.07020.40
5.6.20.0100.06720.37
5.6.10.0100.08020.32
5.6.00.0070.07720.36
5.5.380.0130.07320.36
5.5.370.0070.04720.40
5.5.360.0070.08020.35
5.5.350.0070.07320.46
5.5.340.0170.07320.84
5.5.330.0030.08320.89
5.5.320.0070.07320.92
5.5.310.0100.07320.82
5.5.300.0100.08020.80
5.5.290.0030.08720.88
5.5.280.0230.06020.86
5.5.270.0130.07320.88
5.5.260.0130.07320.89
5.5.250.0030.08320.57
5.5.240.0130.05020.03
5.5.230.0100.07720.15
5.5.220.0100.07020.20
5.5.210.0130.06020.29
5.5.200.0030.08020.09
5.5.190.0100.07320.27
5.5.180.0100.07720.15
5.5.160.0070.05320.27
5.5.150.0070.07720.13
5.5.140.0070.07320.20
5.5.130.0100.06720.08
5.5.120.0170.07019.99
5.5.110.0130.04320.14
5.5.100.0030.08020.17
5.5.90.0030.08020.07
5.5.80.0070.04320.16
5.5.70.0130.07019.97
5.5.60.0130.04320.09
5.5.50.0130.07720.14
5.5.40.0070.07020.11
5.5.30.0030.07720.13
5.5.20.0100.08020.13
5.5.10.0100.07020.04
5.5.00.0070.06019.96
5.4.450.0070.06019.46
5.4.440.0100.08019.18
5.4.430.0070.08019.48
5.4.420.0100.07319.53
5.4.410.0030.07319.29
5.4.400.0030.07019.04
5.4.390.0100.05319.16
5.4.380.0100.07319.23
5.4.370.0070.04719.14
5.4.360.0070.07719.05
5.4.350.0030.06318.86
5.4.340.0030.08019.11
5.4.320.0030.08019.04
5.4.310.0200.05019.04
5.4.300.0070.07019.22
5.4.290.0100.07319.04
5.4.280.0100.07019.13
5.4.270.0070.07019.02
5.4.260.0070.07319.06
5.4.250.0030.07719.18
5.4.240.0100.03719.13
5.4.230.0070.07019.02
5.4.220.0100.07019.13
5.4.210.0000.08019.09
5.4.200.0030.07719.21
5.4.190.0030.07319.19
5.4.180.0130.07019.04
5.4.170.0070.08019.23
5.4.160.0030.05019.13
5.4.150.0070.06719.18
5.4.140.0030.08016.46
5.4.130.0030.07316.41
5.4.120.0030.07016.35
5.4.110.0070.07016.49
5.4.100.0030.07016.39
5.4.90.0000.07716.47
5.4.80.0070.07716.43
5.4.70.0000.08016.42
5.4.60.0170.06316.41
5.4.50.0030.08016.47
5.4.40.0100.07016.45
5.4.30.0070.04016.26
5.4.20.0070.07316.33
5.4.10.0170.06016.36
5.4.00.0030.07715.95
5.3.290.0130.07014.77
5.3.280.0030.08314.60
5.3.270.0070.08314.50
5.3.260.0070.07714.48
5.3.250.0030.07714.72
5.3.240.0030.07714.74
5.3.230.0070.07314.63
5.3.220.0030.08014.54
5.3.210.0070.06314.57
5.3.200.0130.07014.55
5.3.190.0070.07314.62
5.3.180.0100.06714.69
5.3.170.0070.05314.50
5.3.160.0130.07014.68
5.3.150.0070.08014.61
5.3.140.0130.06714.64
5.3.130.0030.07714.56
5.3.120.0100.07314.53
5.3.110.0030.07714.66
5.3.100.0030.06014.10
5.3.90.0100.07314.08
5.3.80.0070.05313.99
5.3.70.0030.07713.95
5.3.60.0170.06314.02
5.3.50.0100.07313.93
5.3.40.0070.07313.85
5.3.30.0000.08314.00
5.3.20.0070.06313.75
5.3.10.0100.06713.67
5.3.00.0030.07313.53
5.2.170.0030.06011.15
5.2.160.0100.05011.26
5.2.150.0030.06711.13
5.2.140.0030.05711.05
5.2.130.0030.06311.25
5.2.120.0030.06311.02
5.2.110.0000.05711.04
5.2.100.0100.05311.19
5.2.90.0070.04011.00
5.2.80.0070.05710.95
5.2.70.0070.05311.01
5.2.60.0000.07011.18
5.2.50.0030.06711.11
5.2.40.0100.06011.05
5.2.30.0070.05310.89
5.2.20.0100.05011.05
5.2.10.0130.05310.85
5.2.00.0100.05310.73
5.1.60.0030.0539.98
5.1.50.0030.05010.06
5.1.40.0030.0509.97
5.1.30.0100.05010.44
5.1.20.0000.06010.42
5.1.10.0130.04310.20
5.1.00.0100.04710.12
5.0.50.0000.0508.87
5.0.40.0000.0478.87
5.0.30.0000.0678.87
5.0.20.0000.0438.87
5.0.10.0000.0438.87
5.0.00.0100.0538.87
4.4.90.0000.0238.87
4.4.80.0070.0308.87
4.4.70.0030.0308.87
4.4.60.0100.0208.87
4.4.50.0030.0338.87
4.4.40.0030.0508.87
4.4.30.0000.0338.87
4.4.20.0000.0378.87
4.4.10.0000.0378.87
4.4.00.0000.0478.87
4.3.110.0000.0378.87
4.3.100.0030.0338.87
4.3.90.0000.0378.87
4.3.80.0000.0578.87
4.3.70.0000.0378.87
4.3.60.0070.0278.87
4.3.50.0030.0338.87
4.3.40.0000.0508.87
4.3.30.0070.0238.87
4.3.20.0000.0378.87
4.3.10.0000.0378.87
4.3.00.0000.0308.87

preferences:
53.88 ms | 401 KiB | 5 Q