3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new stdClass; $x->{42} = 1; $y = (array)$x; echo json_encode($x); echo json_encode($y); echo $y["42"];

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)
8.3.60.0060.01218.43
8.3.50.0110.00718.30
8.3.40.0110.00418.64
8.3.30.0000.01418.70
8.3.20.0050.00320.07
8.3.10.0040.00420.46
8.3.00.0110.00018.69
8.2.180.0190.00018.16
8.2.170.0060.00922.96
8.2.160.0070.01022.16
8.2.150.0040.00424.18
8.2.140.0000.00924.66
8.2.130.0000.00821.05
8.2.120.0030.00626.35
8.2.110.0030.00619.39
8.2.100.0060.00917.85
8.2.90.0040.00419.21
8.2.80.0000.00917.97
8.2.70.0070.00317.63
8.2.60.0040.00418.05
8.2.50.0050.00319.35
8.2.40.0000.00820.63
8.2.30.0050.00219.36
8.2.20.0040.00417.80
8.2.10.0060.00318.12
8.2.00.0040.00418.02
8.1.280.0090.00625.92
8.1.270.0090.00623.88
8.1.260.0000.00728.09
8.1.250.0070.00028.09
8.1.240.0050.00521.26
8.1.230.0090.00317.45
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0000.01018.57
8.1.160.0000.00720.71
8.1.150.0040.00418.82
8.1.140.0040.00419.56
8.1.130.0070.00017.54
8.1.120.0040.00417.44
8.1.110.0040.00417.43
8.1.100.0030.00617.46
8.1.90.0000.00717.43
8.1.80.0000.00917.41
8.1.70.0030.00317.52
8.1.60.0040.00417.47
8.1.50.0040.00417.59
8.1.40.0080.00317.52
8.1.30.0000.00917.47
8.1.20.0000.00817.59
8.1.10.0080.00017.64
8.1.00.0030.00617.48
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0040.00418.38
8.0.270.0000.00717.23
8.0.260.0000.00617.25
8.0.250.0000.00816.96
8.0.240.0080.00016.83
8.0.230.0070.00016.77
8.0.220.0040.00416.79
8.0.210.0070.00016.82
8.0.200.0030.00316.95
8.0.190.0030.00616.89
8.0.180.0000.00816.82
8.0.170.0000.00816.88
8.0.160.0000.00716.83
8.0.150.0070.00016.68
8.0.140.0000.00716.70
8.0.130.0030.00313.27
8.0.120.0000.00816.83
8.0.110.0000.00716.73
8.0.100.0000.00716.90
8.0.90.0000.00816.84
8.0.80.0030.01116.88
8.0.70.0000.00716.63
8.0.60.0040.00416.66
8.0.50.0000.00716.89
8.0.30.0100.01017.25
8.0.20.0160.01417.40
8.0.10.0040.00416.87
8.0.00.0070.01416.73
7.4.330.0020.00216.66
7.4.320.0000.00616.53
7.4.300.0060.00016.37
7.4.290.0030.00316.43
7.4.280.0060.00316.60
7.4.270.0000.00716.50
7.4.260.0060.00316.57
7.4.250.0070.00016.38
7.4.240.0070.00016.49
7.4.230.0030.00316.35
7.4.220.0150.01016.47
7.4.210.0100.00616.52
7.4.200.0040.00416.54
7.4.160.0090.00616.43
7.4.150.0120.00617.40
7.4.140.0110.01017.86
7.4.130.0070.01016.52
7.4.120.0100.00816.43
7.4.110.0030.01416.57
7.4.100.0170.00716.41
7.4.90.0130.00416.56
7.4.80.0100.01319.39
7.4.70.0110.00716.55
7.4.60.0040.01416.31
7.4.50.0050.00716.40
7.4.40.0100.01016.54
7.4.30.0100.00716.53
7.4.00.0060.01215.07
7.3.330.0000.00513.09
7.3.320.0050.00013.08
7.3.310.0070.00016.16
7.3.300.0000.00916.20
7.3.290.0030.00316.30
7.3.280.0050.01116.26
7.3.270.0110.00617.40
7.3.260.0030.01616.38
7.3.250.0130.00816.33
7.3.240.0080.01116.47
7.3.230.0110.00516.39
7.3.210.0070.01016.49
7.3.200.0100.00616.49
7.3.190.0100.00716.52
7.3.180.0090.00616.39
7.3.170.0150.00916.46
7.3.160.0100.00716.24
7.3.120.0040.01215.84
7.3.110.0050.01215.88
7.3.100.0020.01315.95
7.3.90.0060.00915.91
7.3.80.0060.00715.94
7.3.70.0100.00515.85
7.3.60.0050.00815.87
7.3.50.0080.00515.92
7.3.40.0080.00515.82
7.3.30.0070.00515.73
7.3.20.0050.01216.64
7.3.10.0090.00516.69
7.3.00.0050.01216.76
7.2.330.0130.00716.47
7.2.320.0120.00616.82
7.2.310.0070.01116.74
7.2.300.0080.00816.69
7.2.290.0060.00916.72
7.2.240.0050.01116.06
7.2.230.0100.00815.97
7.2.220.0080.00515.93
7.2.210.0020.01316.06
7.2.200.0050.00915.86
7.2.190.0020.01215.96
7.2.180.0090.00616.01
7.2.170.0050.01216.04
7.2.160.0070.00915.94
7.2.150.0090.00516.83
7.2.140.0110.00516.72
7.2.130.0080.00716.94
7.2.120.0020.01616.97
7.2.110.0060.00816.72
7.2.100.0070.00916.87
7.2.90.0080.00516.93
7.2.80.0090.00916.81
7.2.70.0060.00916.88
7.2.60.0100.00716.63
7.2.50.0060.00716.92
7.2.40.0020.01316.95
7.2.30.0030.01016.95
7.2.20.0050.01016.93
7.2.10.0000.01716.83
7.2.00.0060.00817.76
7.1.330.0060.00916.36
7.1.320.0050.00716.38
7.1.310.0050.01216.27
7.1.300.0080.00616.34
7.1.290.0070.00616.40
7.1.280.0050.01016.23
7.1.270.0050.00816.29
7.1.260.0050.00816.42
7.1.250.0090.00416.35
7.1.200.0060.00715.80
7.1.100.0040.00817.87
7.1.70.0000.00716.93
7.1.60.0100.01319.27
7.1.50.0000.02117.04
7.1.00.0070.07322.45
7.0.200.0060.00614.84
7.0.90.0100.07319.86
7.0.80.0100.07319.95
7.0.70.0530.08019.95
7.0.60.0570.08019.95
7.0.50.0600.08320.25
7.0.40.0030.05320.14
7.0.30.0100.08320.11
7.0.20.0100.08720.15
7.0.10.0200.07720.03
7.0.00.0070.08720.14
5.6.280.0030.04021.06
5.6.230.0100.05720.59
5.6.220.0100.07320.49
5.6.210.0100.07720.66
5.6.200.0200.07721.11
5.6.190.0100.07321.17
5.6.180.0070.06021.07
5.6.170.0230.06021.00
5.6.160.0130.07321.16
5.6.150.0030.04721.10
5.6.140.0100.07020.93
5.6.130.0070.04021.03
5.6.120.0030.08321.02
5.6.110.0100.03720.91
5.6.100.0070.04320.93
5.6.90.0130.03321.05
5.6.80.0030.04020.43
5.6.70.0100.06020.42
5.6.60.0030.04020.31
5.6.50.0070.04020.44
5.6.40.0030.04020.40
5.6.30.0070.04020.37
5.6.20.0000.05320.26
5.6.10.0030.04020.27
5.6.00.0030.04020.37
5.5.370.0070.08720.45
5.5.360.0070.08720.32
5.5.350.0130.07720.36
5.5.340.0130.08320.64
5.5.330.0070.08020.79
5.5.320.0100.07020.89
5.5.310.0130.07320.87
5.5.300.0100.03720.84
5.5.290.0100.03720.89
5.5.280.0030.04720.75
5.5.270.0030.04320.75
5.5.260.0030.05020.76
5.5.250.0070.04020.74
5.5.240.0070.03720.21
5.5.230.0070.03720.17
5.5.220.0000.04320.28
5.5.210.0100.03720.30
5.5.200.0070.03720.08
5.5.190.0100.03020.08
5.5.180.0070.07020.13
5.5.160.0030.04020.25
5.5.150.0030.03720.20
5.5.140.0030.04019.97
5.5.130.0030.04020.18
5.5.120.0100.03320.21
5.5.110.0070.03720.25
5.5.100.0030.04020.09
5.5.90.0000.04019.97
5.5.80.0130.03020.06
5.5.70.0000.04020.16
5.5.60.0030.03720.15
5.5.50.0070.03719.99
5.5.40.0070.04720.10
5.5.30.0000.04320.14
5.5.20.0030.06019.92
5.5.10.0030.04020.05
5.5.00.0000.04319.96

preferences:
62.43 ms | 400 KiB | 5 Q