3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = json_encode('Москва'); var_dump($json); var_dump(json_decode($json));

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)
8.3.70.0140.00716.58
8.3.60.0150.00416.63
8.3.50.0100.01022.76
8.3.40.0110.00718.60
8.3.30.0040.01118.54
8.3.20.0000.00821.61
8.3.10.0030.00522.13
8.3.00.0040.00420.92
8.2.190.0170.00318.05
8.2.180.0140.00718.54
8.2.170.0100.00322.96
8.2.160.0100.00719.16
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00018.09
8.2.120.0040.00426.35
8.2.110.0130.01021.07
8.2.100.0040.00819.34
8.2.90.0030.00619.34
8.2.80.0050.00320.48
8.2.70.0000.00817.50
8.2.60.0000.00717.91
8.2.50.0040.00418.07
8.2.40.0050.00318.22
8.2.30.0050.00317.86
8.2.20.0040.00417.98
8.2.10.0050.00317.96
8.2.00.0070.00017.64
8.1.280.0110.00425.92
8.1.270.0000.00823.83
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00022.19
8.1.230.0070.00720.88
8.1.220.0050.00317.74
8.1.210.0060.00318.85
8.1.200.0060.00317.35
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0030.00618.52
8.1.160.0000.00918.82
8.1.150.0040.00420.38
8.1.140.0070.00019.51
8.1.130.0030.00318.98
8.1.120.0000.00717.29
8.1.110.0000.00917.26
8.1.100.0040.00417.28
8.1.90.0040.00417.41
8.1.80.0000.00717.34
8.1.70.0060.00317.37
8.1.60.0000.00817.51
8.1.50.0050.00317.43
8.1.40.0040.00417.32
8.1.30.0040.00417.49
8.1.20.0000.00717.49
8.1.10.0000.00717.40
8.1.00.0000.00817.36
8.0.300.0060.00320.20
8.0.290.0070.00016.75
8.0.280.0070.00018.38
8.0.270.0040.00418.54
8.0.260.0040.00417.19
8.0.250.0030.00316.91
8.0.240.0080.00016.84
8.0.230.0030.00316.74
8.0.220.0030.00316.75
8.0.210.0030.00316.77
8.0.200.0000.00716.80
8.0.190.0000.00816.77
8.0.180.0070.00016.76
8.0.170.0000.00816.84
8.0.160.0000.00716.80
8.0.150.0030.00516.75
8.0.140.0030.00616.66
8.0.130.0000.00613.25
8.0.120.0000.00716.74
8.0.110.0000.00716.80
8.0.100.0050.00216.90
8.0.90.0050.00216.65
8.0.80.0170.00316.86
8.0.70.0040.00416.84
8.0.60.0000.00816.63
8.0.50.0000.00716.80
8.0.30.0110.00917.08
8.0.20.0110.00717.40
8.0.10.0020.00516.89
8.0.00.0070.01116.69
7.4.330.0000.00515.55
7.4.320.0000.00616.53
7.4.300.0030.00316.38
7.4.290.0000.00716.41
7.4.280.0030.00616.30
7.4.270.0030.00516.43
7.4.260.0030.00716.50
7.4.250.0030.00316.26
7.4.240.0040.00416.46
7.4.230.0000.00716.32
7.4.220.0090.00616.52
7.4.210.0030.01116.47
7.4.200.0040.00416.38
7.4.160.0070.00916.42
7.4.150.0130.00717.40
7.4.140.0130.00717.86
7.4.130.0070.01216.45
7.4.120.0100.01016.36
7.4.110.0040.01316.40
7.4.100.0180.00316.49
7.4.90.0110.00616.41
7.4.80.0100.00619.39
7.4.70.0030.01316.26
7.4.60.0030.01216.21
7.4.50.0060.00616.42
7.4.40.0120.00916.32
7.4.30.0060.00916.39
7.4.00.0040.01114.71
7.3.330.0000.00613.05
7.3.320.0050.00013.03
7.3.310.0000.00716.21
7.3.300.0000.00616.07
7.3.290.0070.01016.13
7.3.280.0100.00716.15
7.3.270.0130.00417.40
7.3.260.0110.00716.33
7.3.250.0110.00616.25
7.3.240.0130.00516.09
7.3.230.0200.00016.27
7.3.210.0130.00316.22
7.3.200.0060.00916.46
7.3.190.0110.00816.19
7.3.180.0120.00316.32
7.3.170.0120.00316.13
7.3.160.0100.00616.27
7.3.120.0060.00914.90
7.3.110.0040.01214.87
7.3.100.0030.01314.86
7.3.90.0110.00714.84
7.3.80.0100.00714.81
7.3.70.0070.00714.73
7.3.60.0050.00514.59
7.3.50.0090.00614.71
7.3.40.0100.00314.34
7.3.30.0030.01514.77
7.3.20.0140.00016.64
7.3.10.0070.00816.42
7.3.00.0030.00816.65
7.2.330.0090.00916.25
7.2.320.0080.00816.32
7.2.310.0100.00716.30
7.2.300.0110.00716.55
7.2.290.0060.01216.44
7.2.240.0040.00714.70
7.2.230.0110.00715.10
7.2.220.0000.01414.58
7.2.210.0040.00714.98
7.2.200.0110.00714.70
7.2.190.0160.00015.02
7.2.180.0030.00915.00
7.2.170.0070.01015.01
7.2.160.0080.00814.84
7.2.150.0060.00916.72
7.2.140.0080.00316.89
7.2.130.0030.01416.53
7.2.120.0040.01116.65
7.2.110.0050.00916.67
7.2.100.0070.00816.58
7.2.90.0080.00916.68
7.2.80.0060.00616.67
7.2.70.0050.01216.78
7.2.60.0050.00816.79
7.2.50.0030.00716.79
7.2.40.0030.01016.66
7.2.30.0060.00516.77
7.2.20.0090.00516.83
7.2.10.0030.01016.77
7.2.00.0100.00516.66
7.1.330.0030.01415.73
7.1.320.0090.00615.89
7.1.310.0070.01015.83
7.1.300.0070.00715.66
7.1.290.0040.00815.70
7.1.280.0100.00315.48
7.1.270.0040.01115.93
7.1.260.0070.01015.73
7.1.250.0050.00715.67
7.1.70.0080.00016.95
7.1.60.0040.00716.95
7.1.20.0170.06040.26
7.1.10.0100.08022.24
7.1.00.0030.06322.40
7.0.200.0060.00616.55
7.0.160.0070.05721.83
7.0.150.0130.06021.90
7.0.140.0070.05721.70
7.0.130.0030.06021.91
7.0.120.0070.05721.77
7.0.110.0130.08321.84
7.0.100.0030.06321.89
7.0.90.0030.06021.92
7.0.80.0130.06721.89
7.0.70.0000.06321.87
7.0.60.0100.05321.97
7.0.50.0130.05021.91
7.0.40.0100.05321.90
7.0.30.0070.05321.75
7.0.20.0030.06321.70
7.0.10.0030.05721.83
7.0.00.0070.05721.85

preferences:
47.73 ms | 401 KiB | 5 Q