3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '{"a": {"b": 777}}'; $b = json_decode($a); echo "$b->a->b ok";

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)
8.3.60.0140.00016.36
8.3.50.0150.00318.05
8.3.40.0090.00618.63
8.3.30.0140.00018.88
8.3.20.0000.00720.20
8.3.10.0080.00023.59
8.3.00.0060.00319.38
8.2.180.0160.00616.63
8.2.170.0180.00322.96
8.2.160.0110.00322.09
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00317.63
8.2.120.0040.00426.35
8.2.110.0060.00320.64
8.2.100.0080.00317.80
8.2.90.0000.00719.09
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0000.00818.03
8.2.50.0040.00418.07
8.2.40.0000.00819.23
8.2.30.0070.00020.49
8.2.20.0030.00617.79
8.2.10.0040.00418.21
8.2.00.0000.00717.98
8.1.280.0120.00925.92
8.1.270.0030.00622.23
8.1.260.0040.00428.09
8.1.250.0060.01228.09
8.1.240.0080.00023.80
8.1.230.0080.00317.55
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0060.00317.25
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0060.00318.76
8.1.160.0040.00421.91
8.1.150.0000.00818.71
8.1.140.0080.00019.51
8.1.130.0030.00317.63
8.1.120.0040.00417.44
8.1.110.0000.00717.39
8.1.100.0040.00417.38
8.1.90.0070.00017.36
8.1.80.0080.00017.27
8.1.70.0000.00617.33
8.1.60.0040.00417.46
8.1.50.0040.00417.55
8.1.40.0000.00817.54
8.1.30.0060.00317.52
8.1.20.0030.00517.55
8.1.10.0050.00317.43
8.1.00.0030.00517.36
8.0.300.0080.00018.77
8.0.290.0020.00516.63
8.0.280.0070.00018.36
8.0.270.0000.00717.30
8.0.260.0050.00317.30
8.0.250.0040.00417.04
8.0.240.0000.00716.90
8.0.230.0030.00316.91
8.0.220.0000.00716.88
8.0.210.0030.00316.99
8.0.200.0030.00316.98
8.0.190.0000.00816.84
8.0.180.0050.00316.96
8.0.170.0050.00316.82
8.0.160.0030.00316.99
8.0.150.0050.00316.89
8.0.140.0030.00716.96
8.0.130.0060.00013.34
8.0.120.0040.00416.91
8.0.110.0000.00716.98
8.0.100.0040.00416.82
8.0.90.0040.00416.75
8.0.80.0120.00316.90
8.0.70.0000.00716.83
8.0.60.0050.00316.96
8.0.50.0040.00416.91
8.0.30.0090.00917.15
8.0.20.0110.00717.40
8.0.10.0030.00616.83
8.0.00.0080.00916.70
7.4.330.0000.00516.73
7.4.320.0030.00316.61
7.4.300.0030.00316.42
7.4.290.0030.00316.59
7.4.280.0000.00816.64
7.4.270.0070.00016.40
7.4.260.0030.00316.43
7.4.250.0000.00816.41
7.4.240.0030.00416.56
7.4.230.0030.00316.62
7.4.220.0030.01516.63
7.4.210.0110.00416.56
7.4.200.0000.00816.50
7.4.160.0080.00616.44
7.4.150.0100.01417.40
7.4.140.0110.01117.86
7.4.130.0120.00616.54
7.4.120.0050.01216.47
7.4.110.0120.01216.35
7.4.100.0090.00816.67
7.4.90.0140.00316.41
7.4.80.0140.00619.39
7.4.70.0090.00916.41
7.4.60.0060.00916.36
7.4.50.0000.01616.60
7.4.40.0080.00816.59
7.4.30.0150.00316.48
7.4.10.0070.01115.11
7.4.00.0060.01114.88
7.3.330.0050.00013.11
7.3.320.0050.00013.19
7.3.310.0030.00316.35
7.3.300.0030.00316.04
7.3.290.0080.00816.25
7.3.280.0090.00916.24
7.3.270.0030.01317.40
7.3.260.0130.00516.24
7.3.240.0130.00716.49
7.3.230.0070.01016.39
7.3.210.0110.01116.32
7.3.200.0070.01116.54
7.3.190.0150.00816.44
7.3.180.0100.00716.32
7.3.170.0100.00616.36
7.3.160.0150.00616.41
7.3.130.0080.00414.80
7.3.120.0050.01214.72
7.3.110.0100.00514.95
7.3.100.0070.00514.68
7.3.90.0060.00914.83
7.3.80.0070.00714.63
7.3.70.0070.00714.67
7.3.60.0050.00714.74
7.3.50.0050.00814.88
7.3.40.0040.00814.71
7.3.30.0050.00414.80
7.3.20.0030.01016.49
7.3.10.0050.00716.63
7.3.00.0060.00916.65
7.2.330.0080.00816.59
7.2.320.0000.01716.86
7.2.310.0130.00316.70
7.2.300.0130.00416.21
7.2.290.0140.00916.34
7.2.260.0120.00614.88
7.2.250.0040.01514.73
7.2.240.0070.00614.97
7.2.230.0050.01014.76
7.2.220.0120.00514.86
7.2.210.0080.00615.18
7.2.200.0020.01015.02
7.2.190.0030.01014.95
7.2.180.0080.00515.04
7.2.170.0070.00814.98
7.2.160.0020.01414.88
7.2.150.0070.00916.93
7.2.140.0080.00716.79
7.2.130.0050.00916.83
7.2.120.0070.01116.94
7.2.110.0090.00416.71
7.2.100.0060.00816.74
7.2.90.0120.00516.89
7.2.80.0030.01017.09
7.2.70.0070.00716.86
7.2.60.0060.01016.89
7.2.50.0030.01216.67
7.2.40.0040.01216.74
7.2.30.0050.00916.75
7.2.20.0070.00716.76
7.2.10.0060.00816.86
7.2.00.0020.01117.60
7.1.330.0020.01215.76
7.1.320.0040.01115.84
7.1.310.0050.01015.79
7.1.300.0090.00615.84
7.1.290.0070.00515.63
7.1.280.0020.01215.71
7.1.270.0080.00715.81
7.1.260.0070.00915.82
7.1.250.0020.01315.88
7.1.240.0080.00415.78
7.1.230.0030.00615.54
7.1.220.0030.01215.72
7.1.210.0110.00415.91
7.1.200.0110.00715.76
7.1.190.0100.00315.82
7.1.180.0040.01115.72
7.1.170.0090.00615.80
7.1.160.0050.00515.91
7.1.150.0120.00315.98
7.1.140.0100.00315.62
7.1.130.0030.00615.93
7.1.120.0030.01015.85
7.1.110.0070.00715.52
7.1.100.0060.00716.79
7.1.90.0060.00315.81
7.1.80.0040.00715.75
7.1.70.0070.00316.47
7.1.60.0080.00817.57
7.1.50.0050.01116.38
7.1.40.0000.01615.77
7.1.30.0030.00915.82
7.1.20.0040.00815.80
7.1.10.0070.00415.93
7.1.00.0050.04019.09
7.0.330.0000.01415.37
7.0.320.0060.00615.29
7.0.310.0060.00615.52
7.0.300.0000.01015.46
7.0.290.0080.00315.52
7.0.280.0030.01215.16
7.0.270.0040.00715.46
7.0.260.0100.00715.52
7.0.250.0100.00315.52
7.0.240.0000.00815.61
7.0.230.0000.01215.41
7.0.220.0040.00815.30
7.0.210.0000.01215.22
7.0.200.0210.00915.06
7.0.190.0080.00815.22
7.0.180.0030.00515.42
7.0.170.0030.01015.26
7.0.160.0030.00915.40
7.0.150.0100.00315.51
7.0.140.0000.01015.43
7.0.130.0050.00515.38
7.0.120.0040.00815.32
7.0.110.0000.01015.40
7.0.100.0030.00715.34
7.0.90.0030.01015.13
7.0.80.0000.01515.50
7.0.70.0030.00615.18
7.0.60.0020.04817.71
7.0.50.0080.02516.62
7.0.40.0110.03516.72
7.0.30.0130.04516.79
7.0.20.0180.04316.61
7.0.10.0070.02516.78
7.0.00.0020.05316.93
5.6.400.0030.01014.44
5.6.390.0000.01714.37
5.6.380.0070.00714.40
5.6.370.0040.00714.28
5.6.360.0030.01014.20
5.6.350.0040.00714.20
5.6.340.0090.00314.27
5.6.330.0080.00614.32
5.6.320.0070.00714.13
5.6.310.0090.00314.26
5.6.300.0040.01114.45
5.6.290.0040.01213.95
5.6.280.0020.03417.75
5.6.270.0100.00314.56
5.6.260.0040.00414.16
5.6.250.0060.00914.48
5.6.240.0060.00914.06
5.6.230.0110.00714.26
5.6.220.0080.00614.25
5.6.210.0080.04117.45
5.6.200.0080.04016.13
5.6.190.0030.04317.21
5.6.180.0270.03417.29
5.6.170.0130.04317.32
5.6.160.0130.03917.32
5.6.150.0020.02716.02
5.6.140.0050.03216.36
5.6.130.0050.04416.06
5.6.120.0060.02617.56
5.6.110.0090.03617.56
5.6.100.0150.03717.66
5.6.90.0090.04417.41
5.6.80.0080.04317.42
5.6.70.0030.00514.34
5.6.60.0070.01113.94
5.6.50.0030.01514.24
5.6.40.0060.00314.20
5.6.30.0040.01114.27
5.6.20.0060.00314.39
5.6.10.0110.00414.26
5.6.00.0040.01114.15
5.5.380.0090.00913.92
5.5.370.0040.01214.24
5.5.360.0070.00314.24
5.5.350.1480.02317.17
5.5.340.0030.04516.11
5.5.330.0030.02517.14
5.5.320.0230.04317.27
5.5.310.0180.03817.23
5.5.300.0070.02915.92
5.5.290.0080.04016.15
5.5.280.0060.02517.61
5.5.270.0120.04117.41
5.5.260.0070.04317.45
5.5.250.0080.04317.34
5.5.240.0150.03817.11
5.5.230.0060.00614.05
5.5.220.0030.01514.23
5.5.210.0040.01113.81
5.5.200.0040.01114.30
5.5.190.0060.00614.14
5.5.180.0060.00614.08
5.5.170.0030.01413.88
5.5.160.0090.00914.22
5.5.150.0060.01214.25
5.5.140.0000.01614.21
5.5.130.0090.00314.19
5.5.120.0030.01314.09
5.5.110.0070.00713.78
5.5.100.0000.00813.95
5.5.90.0000.00913.69
5.5.80.0090.00614.33
5.5.70.0100.00313.89
5.5.60.0060.00614.13
5.5.50.0040.00813.91
5.5.40.0070.00413.83
5.5.30.0070.00713.86
5.5.20.0070.00714.00
5.5.10.0090.00014.18
5.5.00.0030.01214.13

preferences:
47.54 ms | 400 KiB | 5 Q