3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = '["\\ud55c\\uae00\\ud55c\\uae00"]'; var_dump(json_decode($input));

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)
8.3.60.0110.00718.16
8.3.50.0100.01017.94
8.3.40.0140.00318.54
8.3.30.0210.00018.84
8.3.20.0000.00720.18
8.3.10.0050.00221.70
8.3.00.0000.00919.13
8.2.180.0110.01117.97
8.2.170.0030.01022.96
8.2.160.0070.00720.55
8.2.150.0060.00624.18
8.2.140.0000.00824.66
8.2.130.0070.00426.16
8.2.120.0080.00019.36
8.2.110.0090.00019.27
8.2.100.0040.00817.78
8.2.90.0030.00619.04
8.2.80.0040.00417.97
8.2.70.0080.00317.38
8.2.60.0040.00417.90
8.2.50.0040.00418.07
8.2.40.0000.00819.94
8.2.30.0000.00717.99
8.2.20.0080.00017.42
8.2.10.0030.00617.93
8.2.00.0000.00717.70
8.1.280.0150.00325.92
8.1.270.0030.00620.65
8.1.260.0100.01026.35
8.1.250.0070.00728.09
8.1.240.0060.00323.80
8.1.230.0070.00419.04
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0040.00417.22
8.1.190.0050.00317.11
8.1.180.0040.00418.10
8.1.170.0040.00418.48
8.1.160.0000.00721.92
8.1.150.0000.00718.79
8.1.140.0000.00817.47
8.1.130.0000.00717.75
8.1.120.0080.00017.39
8.1.110.0070.00417.38
8.1.100.0040.00417.38
8.1.90.0040.00417.27
8.1.80.0050.00217.29
8.1.70.0000.00717.41
8.1.60.0050.00317.54
8.1.50.0000.00817.44
8.1.40.0040.00417.33
8.1.30.0000.00917.62
8.1.20.0030.00517.64
8.1.10.0040.00417.41
8.1.00.0000.00717.40
8.0.300.0050.00218.77
8.0.290.0040.00416.63
8.0.280.0040.00418.40
8.0.270.0000.00717.22
8.0.260.0000.00617.15
8.0.250.0030.00316.86
8.0.240.0000.00816.89
8.0.230.0040.00416.87
8.0.220.0030.00316.76
8.0.210.0030.00316.82
8.0.200.0000.00616.71
8.0.190.0040.00416.85
8.0.180.0000.00716.80
8.0.170.0050.00316.71
8.0.160.0000.00716.80
8.0.150.0050.00216.73
8.0.140.0050.00316.62
8.0.130.0030.00313.25
8.0.120.0080.00016.82
8.0.110.0070.00016.73
8.0.100.0040.00416.83
8.0.90.0000.00816.68
8.0.80.0070.01416.81
8.0.70.0020.00516.63
8.0.60.0070.00016.75
8.0.50.0040.00416.68
8.0.30.0100.01217.17
8.0.20.0150.01717.40
8.0.10.0040.00416.84
8.0.00.0100.01116.78
7.4.330.0000.00515.03
7.4.320.0000.00616.43
7.4.300.0090.00016.43
7.4.290.0080.00316.54
7.4.280.0070.00016.39
7.4.270.0070.00016.33
7.4.260.0000.00716.50
7.4.250.0000.00716.51
7.4.240.0070.00016.45
7.4.230.0070.00016.57
7.4.220.0130.01616.48
7.4.210.0050.01116.50
7.4.200.0040.00416.43
7.4.160.0060.00916.32
7.4.150.0120.00917.40
7.4.140.0080.01017.86
7.4.130.0140.00616.36
7.4.120.0140.00116.35
7.4.110.0150.00416.34
7.4.100.0130.00316.35
7.4.90.0100.00616.36
7.4.80.0050.01419.39
7.4.70.0070.01016.51
7.4.60.0060.01116.45
7.4.50.0040.00416.26
7.4.40.0150.00816.32
7.4.30.0110.01116.43
7.4.00.0060.00814.88
7.3.330.0030.00312.89
7.3.320.0050.01112.89
7.3.310.0000.00715.96
7.3.300.0070.00016.03
7.3.290.0030.00316.00
7.3.280.0100.00616.15
7.3.270.0150.00417.40
7.3.260.0150.00616.07
7.3.250.0150.00316.21
7.3.240.0100.00616.17
7.3.230.0060.01216.39
7.3.210.0130.00316.32
7.3.200.0140.00719.39
7.3.190.0060.00916.20
7.3.180.0050.01016.11
7.3.170.0100.01016.30
7.3.160.0110.00516.13
7.3.10.0030.01116.74
7.3.00.0030.00716.57
7.2.330.0070.01116.31
7.2.320.0090.00616.31
7.2.310.0140.00316.57
7.2.300.0090.01416.23
7.2.290.0140.00816.54
7.2.130.0070.00716.84
7.2.120.0000.01416.77
7.2.110.0070.00716.84
7.2.100.0060.00316.69
7.2.90.0100.00316.51
7.2.80.0090.00316.40
7.2.70.0040.00416.61
7.2.60.0100.00316.49
7.2.50.0040.01116.71
7.2.40.0090.00016.78
7.2.30.0040.00916.81
7.2.20.0110.00316.68
7.2.10.0110.00316.71
7.2.00.0020.01217.91
7.1.250.0060.00915.69
7.1.100.0060.00617.94
7.1.70.0120.00317.21
7.1.60.0120.01219.50
7.1.50.0070.00717.01
7.1.00.0070.07322.44
7.0.200.0200.00716.42
7.0.140.0030.03322.09
7.0.60.0070.08019.89
7.0.50.0070.07717.67
7.0.40.0030.05020.06
7.0.30.0170.04320.09
7.0.20.0170.05719.99
7.0.10.0300.08020.13
7.0.00.0030.06019.98
5.6.280.0100.06720.97
5.6.210.0100.07720.55
5.6.200.0030.09018.18
5.6.190.0130.05720.43
5.6.180.0330.07020.65
5.6.170.0170.05720.45
5.6.160.0030.05320.38
5.6.150.0100.07718.17
5.6.140.0030.05018.07
5.6.130.0100.05718.15
5.6.120.0070.08321.11
5.6.110.0100.08721.10
5.6.100.0170.06721.03
5.6.90.0070.04021.13
5.6.80.0130.07320.41
5.6.70.0330.07020.36
5.5.350.0270.07320.44
5.5.340.0130.07717.88
5.5.330.0100.03720.40
5.5.320.0070.05320.13
5.5.310.0300.04020.28
5.5.300.0070.08317.89
5.5.290.0200.06717.88
5.5.280.0070.04020.76
5.5.270.0100.06320.96
5.5.260.0170.04320.67
5.5.250.0070.07720.68
5.5.240.0130.06320.23
5.4.450.0670.04719.55
5.4.440.0230.07319.44
5.4.430.0600.04719.09
5.4.420.0430.05319.59
5.4.410.0800.04719.29
5.4.400.0330.06018.62
5.4.390.0430.04718.50
5.4.380.0470.07018.53
5.4.370.0470.06318.46
5.4.360.0330.07718.72
5.4.350.0430.06318.61
5.4.340.0430.06718.78
5.4.320.0470.07018.69
5.4.310.0400.07718.49
5.4.300.0230.06718.62
5.4.290.0430.07018.66
5.4.280.0270.08018.46
5.4.270.0430.06318.61
5.4.260.0300.05718.70
5.4.250.0500.04318.74
5.4.240.0330.06018.58
5.4.230.0530.03718.60
5.4.220.0430.06718.45
5.4.210.0300.06018.55
5.4.200.0470.06016.56
5.4.190.0300.05318.71
5.4.180.0370.07718.50
5.4.170.0400.04718.50
5.4.160.0400.04718.70
5.4.150.0430.05318.66
5.4.140.0330.05316.32
5.4.130.0270.05316.23
5.4.120.0330.05016.20
5.4.110.0270.06316.23
5.4.100.0330.05316.19
5.4.90.0300.05016.35
5.4.80.0370.05016.18
5.4.70.0330.05716.24
5.4.60.0430.04316.14
5.4.50.0230.06016.20
5.4.40.0270.05316.14
5.4.30.0370.05016.16
5.4.20.0370.06716.11
5.4.10.0400.04016.28
5.4.00.0300.05715.62
5.3.290.0300.06014.67
5.3.280.0370.05014.57
5.3.270.0270.06014.70
5.3.260.0400.05014.60
5.3.250.0400.04314.50
5.3.240.0270.06014.58
5.3.230.0330.05014.58
5.3.220.0300.05314.57
5.3.210.0300.06014.47
5.3.200.0400.06714.60
5.3.190.0300.05714.64
5.3.180.0270.05314.56
5.3.170.0300.05014.49
5.3.160.0370.06314.49
5.3.150.0430.04314.49
5.3.140.0230.05714.50
5.3.130.0330.05014.44
5.3.120.0330.05014.54
5.3.110.0200.07014.50
5.3.100.0500.04313.96
5.3.90.0270.06313.93
5.3.80.0300.05013.93
5.3.70.0430.03714.11
5.3.60.0270.05314.00
5.3.50.0330.04713.97
5.3.40.0230.06713.88
5.3.30.0330.04713.86
5.3.20.0230.06013.67
5.3.10.0330.05013.59
5.3.00.0370.04313.60
5.2.170.0230.04711.18
5.2.160.0300.03711.07
5.2.150.0230.04311.20
5.2.140.0270.05311.29
5.2.130.0230.04011.23
5.2.120.0270.03711.03
5.2.110.0370.04011.07
5.2.100.0230.04011.15
5.2.90.0270.04011.06
5.2.80.0200.05311.06
5.2.70.0330.05011.06
5.2.60.0230.04011.09
5.2.50.0230.04010.98
5.2.40.0230.03310.96
5.2.30.0230.03710.95
5.2.20.0200.04310.99
5.2.10.0230.03710.86
5.2.00.0170.05710.82
5.1.60.0270.02710.12
5.1.50.0200.03310.02
5.1.40.0200.0439.99
5.1.30.0130.04010.33
5.1.20.0130.04010.32
5.1.10.0230.03310.08
5.1.00.0170.04010.08
5.0.50.0170.0278.56
5.0.40.0100.0308.38
5.0.30.0130.0408.29
5.0.20.0130.0278.13
5.0.10.0130.0278.18
5.0.00.0130.0408.27
4.4.90.0170.0236.13
4.4.80.0070.0276.13
4.4.70.0130.0236.13
4.4.60.0130.0206.13
4.4.50.0070.0306.13
4.4.40.0100.0336.13
4.4.30.0070.0236.13
4.4.20.0070.0236.13
4.4.10.0100.0206.13
4.4.00.0100.0336.13
4.3.110.0030.0276.13
4.3.100.0070.0236.13
4.3.90.0130.0176.13
4.3.80.0130.0306.13
4.3.70.0100.0206.13
4.3.60.0030.0276.13
4.3.50.0030.0306.13
4.3.40.0130.0336.13
4.3.30.0130.0206.13
4.3.20.0070.0276.13
4.3.10.0070.0276.13
4.3.00.0170.0176.68

preferences:
60.05 ms | 400 KiB | 5 Q