3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode(['foo' => '<p>bar</p>'], \JSON_HEX_TAG);

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)
5.4.310.0060.03912.49
5.4.300.0060.04012.50
5.4.290.0090.04412.49
5.4.280.0070.03512.39
5.4.270.0090.03912.39
5.4.260.0030.04112.39
5.4.250.0070.03712.39
5.4.240.0030.04012.39
5.4.230.0090.03612.38
5.4.220.0070.03912.38
5.4.210.0040.03712.38
5.4.200.0050.03812.38
5.4.190.0040.03812.38
5.4.180.0040.03712.38
5.4.170.0070.03412.39
5.4.160.0030.03812.38
5.4.150.0070.04312.38
5.4.140.0090.03412.07
5.4.130.0050.04112.05
5.4.120.0040.04512.02
5.4.110.0130.03912.01
5.4.100.0050.04412.01
5.4.90.0080.04412.01
5.4.80.0070.03812.01
5.4.70.0040.03612.01
5.4.60.0060.03512.01
5.4.50.0070.03512.01
5.4.40.0040.03711.99
5.4.30.0060.03512.00
5.4.20.0050.03511.99
5.4.10.0070.03911.99
5.4.00.0040.03911.48
5.3.290.0070.03912.80
5.3.280.0070.03712.71
5.3.270.0090.04012.72
5.3.260.0060.04412.72
5.3.250.0080.03912.72
5.3.240.0060.04112.72
5.3.230.0040.04812.71
5.3.220.0040.04512.68
5.3.210.0050.04212.68
5.3.200.0080.03612.68
5.3.190.0070.03712.67
5.3.180.0130.04912.67
5.3.170.0080.03712.66
5.3.160.0040.03912.67
5.3.150.0030.04012.67
5.3.140.0120.04512.66
5.3.130.0090.04112.65
5.3.120.0090.04512.66
5.3.110.0080.04612.66
5.3.100.0080.04312.12
5.3.90.0080.04412.09
5.3.80.0090.03512.08
5.3.70.0070.04312.08
5.3.60.0050.04112.07
5.3.50.0110.04812.00
5.3.40.0090.07212.00
5.3.30.0120.05311.95
5.3.20.0080.04911.73
5.3.10.0110.05111.70
5.3.00.0080.03611.68
5.2.170.0080.0359.18
5.2.160.0060.0469.18
5.2.150.0030.0409.18
5.2.140.0070.0349.18
5.2.130.0050.0309.14
5.2.120.0050.0309.14
5.2.110.0090.0339.15
5.2.100.0050.0379.14
5.2.90.0040.0349.14
5.2.80.0210.0779.14
5.2.70.0060.0399.14
5.2.60.0050.0409.09
5.2.50.0050.0399.06
5.2.40.0080.0369.03
5.2.30.0060.0319.01
5.2.20.0040.0309.00
5.2.10.0020.0318.93
5.2.00.0040.0298.79
5.1.60.0060.0218.07
5.1.50.0060.0238.06
5.1.40.0040.0248.04
5.1.30.0060.0248.40
5.1.20.0030.0348.42
5.1.10.0040.0288.14
5.1.00.0060.0258.14
5.0.50.0050.0196.62
5.0.40.0070.0166.47
5.0.30.0000.0346.29
5.0.20.0030.0196.26
5.0.10.0040.0196.24
5.0.00.0030.0316.23
4.4.90.0010.0174.77
4.4.80.0000.0184.75
4.4.70.0020.0174.75
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0030.0144.76
4.4.20.0030.0154.85
4.4.10.0020.0154.85
4.4.00.0010.0264.76
4.3.110.0020.0174.66
4.3.100.0020.0164.67
4.3.90.0040.0134.64
4.3.80.0020.0254.58
4.3.70.0020.0164.63
4.3.60.0020.0154.63
4.3.50.0030.0154.62
4.3.40.0040.0234.54
4.3.30.0000.0183.29
4.3.20.0030.0153.26
4.3.10.0020.0163.22
4.3.00.0000.02015.91

preferences:
139.97 ms | 1394 KiB | 7 Q