3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = new stdClass(); $var->{1} = 1; $var->{2} = 2; var_dump($var); $test = json_decode(json_encode($var), true); var_dump($test); var_dump(array_key_exists(2, $test));

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)
8.3.60.0090.00916.63
8.3.50.0080.01021.87
8.3.40.0070.01118.97
8.3.30.0090.00919.04
8.3.20.0000.00820.04
8.3.10.0040.00421.77
8.3.00.0040.00420.89
8.2.180.0110.00416.50
8.2.170.0100.01022.96
8.2.160.0070.01022.12
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0080.00019.53
8.2.110.0090.00021.93
8.2.100.0080.00318.16
8.2.90.0000.00819.17
8.2.80.0080.00017.97
8.2.70.0030.00517.50
8.2.60.0070.00417.68
8.2.50.0060.00618.07
8.2.40.0030.00619.95
8.2.30.0030.00517.99
8.2.20.0040.00417.59
8.2.10.0040.00417.93
8.2.00.0000.00817.68
8.1.280.0140.00725.92
8.1.270.0060.00320.66
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0090.00023.92
8.1.230.0110.00018.95
8.1.220.0070.00017.74
8.1.210.0040.00418.77
8.1.200.0050.00517.22
8.1.190.0040.00417.23
8.1.180.0050.00218.10
8.1.170.0030.00618.66
8.1.160.0000.00821.94
8.1.150.0040.00418.78
8.1.140.0040.00419.17
8.1.130.0030.00317.83
8.1.120.0040.00417.29
8.1.110.0000.00717.41
8.1.100.0040.00417.32
8.1.90.0050.00317.42
8.1.80.0040.00417.41
8.1.70.0030.00317.29
8.1.60.0040.00417.41
8.1.50.0080.00017.48
8.1.40.0000.00817.32
8.1.30.0000.00917.57
8.1.20.0040.00417.62
8.1.10.0000.00817.38
8.1.00.0040.00817.32
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00718.29
8.0.270.0030.00317.18
8.0.260.0000.00717.10
8.0.250.0070.00016.88
8.0.240.0070.00016.82
8.0.230.0000.00716.92
8.0.220.0050.00316.77
8.0.210.0040.00416.83
8.0.200.0030.00316.81
8.0.190.0000.00716.82
8.0.180.0040.00416.86
8.0.170.0040.00416.85
8.0.160.0000.00716.72
8.0.150.0040.00416.80
8.0.140.0040.00416.78
8.0.130.0050.00013.31
8.0.120.0060.00316.82
8.0.110.0000.00716.75
8.0.100.0000.00816.63
8.0.90.0040.00416.80
8.0.80.0060.01616.85
8.0.70.0030.00516.81
8.0.60.0020.00516.66
8.0.50.0040.00416.66
8.0.30.0100.01316.98
8.0.20.0090.01117.40
8.0.10.0000.00716.93
8.0.00.0080.01116.64
7.4.330.0030.00315.03
7.4.320.0030.00316.58
7.4.300.0060.00016.59
7.4.290.0070.00016.64
7.4.280.0080.00016.57
7.4.270.0030.00316.50
7.4.260.0050.00516.53
7.4.250.0000.00716.46
7.4.240.0030.00516.51
7.4.230.0050.00316.30
7.4.220.0040.01416.36
7.4.210.0090.00616.51
7.4.200.0000.00716.62
7.4.160.0120.00316.38
7.4.150.0030.01517.40
7.4.140.0060.01217.86
7.4.130.0120.00616.61
7.4.120.0060.01116.59
7.4.110.0100.00816.47
7.4.100.0120.00616.55
7.4.90.0070.01016.44
7.4.80.0150.00719.39
7.4.70.0080.00916.52
7.4.60.0040.01216.53
7.4.50.0080.00016.45
7.4.40.0140.00716.39
7.4.30.0120.01216.57
7.4.00.0060.00615.16
7.3.330.0000.00613.05
7.3.320.0070.00713.07
7.3.310.0030.00316.07
7.3.300.0000.00716.15
7.3.290.0030.00316.00
7.3.280.0120.00416.18
7.3.270.0100.01317.40
7.3.260.0070.01116.50
7.3.250.0110.02416.27
7.3.240.0090.00916.18
7.3.230.0090.00616.43
7.3.210.0080.00816.45
7.3.200.0100.01319.39
7.3.190.0160.00716.31
7.3.180.0120.00316.16
7.3.170.0100.01016.39
7.3.160.0120.00316.17
7.2.330.0110.00816.43
7.2.320.0090.00916.63
7.2.310.0040.01216.55
7.2.300.0070.01316.49
7.2.290.0120.01116.67
7.2.60.0000.01416.38
7.2.00.0040.00819.53
7.1.100.0030.01218.24
7.1.70.0000.01017.16
7.1.60.0070.01019.46
7.1.50.0070.01716.54
7.1.00.0070.07022.44
7.0.200.0100.01016.47
7.0.140.0070.07022.04
7.0.90.0070.05319.89
7.0.80.0330.08019.88
7.0.70.0470.07319.90
7.0.60.0500.08020.02
7.0.50.0530.05320.24
7.0.40.0030.08720.08
7.0.30.0130.07719.95
7.0.20.0070.09020.18
7.0.10.0030.09020.13
7.0.00.0130.08020.04
5.6.280.0030.07320.92
5.6.240.0100.08320.61
5.6.230.0100.07720.63
5.6.220.0000.08720.58
5.6.210.0100.06720.66
5.6.200.0030.09021.01
5.6.190.0100.06021.13
5.6.180.0130.08021.11
5.6.170.0070.08321.11
5.6.160.0170.06321.13
5.6.150.0100.07021.13
5.6.140.0030.08721.08
5.6.130.0100.07721.01
5.6.120.0200.05321.10
5.6.110.0030.09320.99
5.6.100.0070.08321.02
5.6.90.0070.04721.04
5.6.80.0130.06720.32
5.6.70.0070.04720.48
5.6.60.0100.07320.38
5.6.50.0100.05020.51
5.6.40.0030.05320.36
5.6.30.0200.03720.36
5.6.20.0130.06020.38
5.6.10.0070.08320.36
5.6.00.0130.06020.45
5.5.380.0030.05020.55
5.5.370.0100.07320.50
5.5.360.0070.04020.44
5.5.350.0030.04320.43
5.5.340.0030.05720.82
5.5.330.0130.07320.89
5.5.320.0130.07720.77
5.5.310.0170.07320.83
5.5.300.0130.09020.63
5.5.290.0230.06720.87
5.5.280.0130.03720.87
5.5.270.0100.04020.87
5.5.260.0030.05720.72
5.5.250.0070.07720.68
5.5.240.0130.05020.21
5.5.230.0100.06720.14
5.5.220.0030.07720.13
5.5.210.0030.05020.27
5.5.200.0100.06020.27
5.5.190.0100.08320.27
5.5.180.0070.06020.25
5.5.160.0070.05020.11
5.5.150.0130.07320.07
5.5.140.0070.08020.24
5.5.130.0000.08320.14
5.5.120.0070.07720.18
5.5.110.0130.07720.25
5.5.100.0070.08020.15
5.5.90.0000.04320.09
5.5.80.0170.06319.94
5.5.70.0130.07020.06
5.5.60.0130.07020.13
5.5.50.0130.06719.93
5.5.40.0170.06720.03
5.5.30.0130.06720.04
5.5.20.0030.06720.07
5.5.10.0070.07020.12
5.5.00.0030.06320.05
5.4.450.0170.06719.38
5.4.440.0100.07319.55
5.4.430.0030.05319.28
5.4.420.0070.06019.45
5.4.410.0030.05018.98
5.4.400.0100.03318.79
5.4.390.0030.05018.79
5.4.380.0030.05319.07
5.4.370.0030.04319.05
5.4.360.0000.04718.90
5.4.350.0100.07719.10
5.4.340.0030.08318.90
5.4.320.0000.08718.76
5.4.310.0130.04019.07
5.4.300.0100.06319.12
5.4.290.0070.08018.80
5.4.280.0070.08019.14
5.4.270.0030.07719.11
5.4.260.0130.07018.96
5.4.250.0070.05318.88
5.4.240.0130.06018.95
5.4.230.0030.08018.78
5.4.220.0070.07019.02
5.4.210.0130.07319.05
5.4.200.0030.04719.13
5.4.190.0100.04019.11
5.4.180.0130.03319.09
5.4.170.0030.08018.96
5.4.160.0130.03318.88
5.4.150.0130.07019.10
5.4.140.0030.04716.23
5.4.130.0030.06716.33
5.4.120.0070.04016.01
5.4.110.0070.03716.34
5.4.100.0070.03716.43
5.4.90.0070.04016.22
5.4.80.0070.05716.32
5.4.70.0030.03716.43
5.4.60.0030.07016.19
5.4.50.0100.07016.28
5.4.40.0030.04316.24
5.4.30.0000.05316.20
5.4.20.0200.05316.40
5.4.10.0030.06716.31
5.4.00.0200.04715.67
5.3.290.0100.08014.50
5.3.280.0200.07014.56
5.3.270.0070.07714.44
5.3.260.0070.07314.57
5.3.250.0100.03714.44
5.3.240.0100.05714.57
5.3.230.0130.07314.55
5.3.220.0000.04014.42
5.3.210.0070.05314.43
5.3.200.0030.04014.42
5.3.190.0030.03714.56
5.3.180.0030.07714.51
5.3.170.0100.03314.56
5.3.160.0170.07014.56
5.3.150.0100.05014.52
5.3.140.0000.04314.54
5.3.130.0070.05014.41
5.3.120.0030.05014.53
5.3.110.0000.05014.46
5.3.100.0070.07313.97
5.3.90.0070.05313.95
5.3.80.0030.07713.93
5.3.70.0100.07313.79
5.3.60.0070.06013.95
5.3.50.0070.08313.88
5.3.40.0100.05713.91
5.3.30.0070.06713.91
5.3.20.0070.04713.63
5.3.10.0070.07013.66
5.3.00.0000.07713.58
5.2.170.0000.04011.18
5.2.160.0030.05011.16
5.2.150.0070.06011.16
5.2.140.0000.06710.97
5.2.130.0070.05311.08
5.2.120.0070.04711.05
5.2.110.0030.06011.15
5.2.100.0030.03311.13
5.2.90.0100.05711.15
5.2.80.0000.06310.96
5.2.70.0000.06711.11
5.2.60.0070.04311.01
5.2.50.0030.03310.88
5.2.40.0130.03011.01
5.2.30.0070.03010.77
5.2.20.0030.04311.03
5.2.10.0000.06310.72
5.2.00.0030.03310.77
5.1.60.0170.0409.97
5.1.50.0070.0509.83
5.1.40.0030.03310.04
5.1.30.0030.05710.45
5.1.20.0030.03310.46
5.1.10.0070.0539.95
5.1.00.0030.03710.14
5.0.50.0030.0278.63
5.0.40.0000.0278.51
5.0.30.0000.0538.20
5.0.20.0000.0508.03
5.0.10.0100.0408.05
5.0.00.0030.0637.99
4.4.90.0000.0337.36
4.4.80.0030.0207.36
4.4.70.0030.0337.36
4.4.60.0000.0277.36
4.4.50.0000.0377.36
4.4.40.0030.0437.36
4.4.30.0000.0277.36
4.4.20.0070.0337.36
4.4.10.0070.0137.36
4.4.00.0030.0537.36
4.3.110.0070.0307.36
4.3.100.0000.0307.36
4.3.90.0070.0237.36
4.3.80.0000.0507.36
4.3.70.0030.0277.36
4.3.60.0030.0237.36
4.3.50.0030.0237.36
4.3.40.0070.0407.36
4.3.30.0000.0377.36
4.3.20.0030.0277.36
4.3.10.0000.0207.36
4.3.00.0000.0177.36

preferences:
39.51 ms | 401 KiB | 5 Q