3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ "myError" => [                 [ "email" => "Email not found" ]             ] ]; var_dump(json_encode($a));

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)
5.4.310.0070.03812.50
5.4.300.0050.03912.50
5.4.290.0080.03712.49
5.4.280.0050.03712.39
5.4.270.0040.03812.39
5.4.260.0040.05312.39
5.4.250.0060.04012.39
5.4.240.0040.03812.39
5.4.230.0030.04012.38
5.4.220.0040.03912.38
5.4.210.0050.03612.38
5.4.200.0060.03712.38
5.4.190.0090.03512.38
5.4.180.0040.04412.38
5.4.170.0070.04012.38
5.4.160.0060.03712.38
5.4.150.0070.04112.38
5.4.140.0090.04312.07
5.4.130.0060.03512.05
5.4.120.0100.03012.02
5.4.110.0070.03512.01
5.4.100.0060.03512.01
5.4.90.0040.04212.01
5.4.80.0060.03912.01
5.4.70.0120.03312.01
5.4.60.0080.03612.01
5.4.50.0060.03912.01
5.4.40.0050.03512.00
5.4.30.0080.03311.99
5.4.20.0120.03611.99
5.4.10.0070.04111.99
5.4.00.0040.03711.48
5.3.290.0080.03812.80
5.3.280.0050.04012.71
5.3.270.0040.04112.72
5.3.260.0070.03912.72
5.3.250.0060.04012.72
5.3.240.0070.04012.72
5.3.230.0060.03812.71
5.3.220.0060.03712.68
5.3.210.0080.05312.68
5.3.200.0070.03912.68
5.3.190.0050.03812.68
5.3.180.0070.03712.68
5.3.170.0050.03812.67
5.3.160.0100.03712.68
5.3.150.0060.04112.67
5.3.140.0090.05112.66
5.3.130.0050.04012.66
5.3.120.0070.04112.66
5.3.110.0070.03712.66
5.3.100.0060.04112.12
5.3.90.0050.04212.09
5.3.80.0050.03712.07
5.3.70.0040.04112.08
5.3.60.0040.04012.06
5.3.50.0080.03912.00
5.3.40.0070.03812.00
5.3.30.0090.03111.95
5.3.20.0050.03611.73
5.3.10.0050.03511.70
5.3.00.0080.04511.68
5.2.170.0060.0309.18
5.2.160.0040.0329.18
5.2.150.0050.0329.19
5.2.140.0060.0289.18
5.2.130.0040.0289.14
5.2.120.0050.0279.14
5.2.110.0050.0349.14
5.2.100.0030.0299.14
5.2.90.0040.0339.15
5.2.80.0060.0309.14
5.2.70.0050.0299.14
5.2.60.0030.0409.09
5.2.50.0030.0369.05
5.2.40.0070.0299.04
5.2.30.0070.0289.02
5.2.20.0090.0289.00
5.2.10.0080.0258.92
5.2.00.0040.0308.78
5.1.60.0020.0278.07
5.1.50.0040.0278.06
5.1.40.0050.0248.05
5.1.30.0030.0278.40
5.1.20.0040.0288.42
5.1.10.0050.0258.14
5.1.00.0070.0268.14
5.0.50.0020.0226.62
5.0.40.0040.0246.48
5.0.30.0020.0336.29
5.0.20.0040.0196.27
5.0.10.0050.0216.23
5.0.00.0040.0306.23
4.4.90.0030.0164.78
4.4.80.0020.0164.76
4.4.70.0040.0144.76
4.4.60.0040.0144.75
4.4.50.0010.0174.77
4.4.40.0020.0274.71
4.4.30.0010.0174.75
4.4.20.0050.0204.85
4.4.10.0060.0174.85
4.4.00.0040.0274.76
4.3.110.0030.0154.67
4.3.100.0040.0204.66
4.3.90.0020.0154.64
4.3.80.0040.0294.58
4.3.70.0030.0204.63
4.3.60.0030.0204.63
4.3.50.0040.0154.62
4.3.40.0030.0284.54
4.3.30.0020.0233.28
4.3.20.0030.0153.26
4.3.10.0000.0173.22
4.3.00.0070.01715.92

preferences:
138.19 ms | 1394 KiB | 7 Q