3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array('test' => 'tést'); echo json_encode($test);

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)
8.3.40.0110.00718.76
8.3.30.0070.01418.79
8.3.20.0050.00220.29
8.3.10.0000.00823.67
8.3.00.0000.00819.25
8.2.170.0110.00722.96
8.2.160.0150.00020.33
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00022.15
8.2.110.0030.00720.88
8.2.100.0050.00917.78
8.2.90.0040.00417.90
8.2.80.0080.00017.97
8.2.70.0080.00017.63
8.2.60.0080.00418.05
8.2.50.0030.00518.07
8.2.40.0060.00319.66
8.2.30.0040.00418.11
8.2.20.0050.00317.67
8.2.10.0030.00617.86
8.2.00.0080.00017.51
8.1.270.0040.00423.83
8.1.260.0060.00326.35
8.1.250.0000.00928.09
8.1.240.0100.00022.57
8.1.230.0100.00020.88
8.1.220.0080.00017.79
8.1.210.0070.00418.91
8.1.200.0030.00617.22
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0060.00618.38
8.1.160.0060.00321.93
8.1.150.0000.00818.85
8.1.140.0000.00717.24
8.1.130.0070.00017.87
8.1.120.0000.00717.35
8.1.110.0000.00817.41
8.1.100.0000.00717.38
8.1.90.0040.00417.27
8.1.80.0000.00717.33
8.1.70.0030.00317.41
8.1.60.0060.00317.48
8.1.50.0060.00317.42
8.1.40.0040.00417.31
8.1.30.0060.00317.48
8.1.20.0040.00417.46
8.1.10.0030.00617.39
8.1.00.0000.00717.48
8.0.300.0050.00320.03
8.0.290.0040.00416.63
8.0.280.0000.00818.36
8.0.270.0000.00717.17
8.0.260.0000.00717.20
8.0.250.0000.00716.91
8.0.240.0000.00716.85
8.0.230.0070.00016.91
8.0.220.0070.00016.82
8.0.210.0050.00216.86
8.0.200.0050.00216.88
8.0.190.0040.00416.75
8.0.180.0000.00716.72
8.0.170.0000.00716.70
8.0.160.0040.00416.75
8.0.150.0030.00716.74
8.0.140.0000.00716.77
8.0.130.0050.00013.17
8.0.120.0000.00716.68
8.0.110.0000.00816.73
8.0.100.0040.00416.79
8.0.90.0030.00716.68
8.0.80.0110.00416.76
8.0.70.0040.00416.64
8.0.60.0040.00416.77
8.0.50.0070.00016.85
8.0.30.0090.00917.02
8.0.20.0120.00817.40
8.0.10.0030.00516.84
8.0.00.0160.00316.88
7.4.330.0050.00015.07
7.4.320.0000.00716.52
7.4.300.0000.00616.55
7.4.290.0000.00716.56
7.4.280.0040.00716.55
7.4.270.0030.00316.40
7.4.260.0000.00716.37
7.4.250.0020.00516.49
7.4.240.0040.00316.40
7.4.230.0000.00616.26
7.4.220.0110.00716.29
7.4.210.0070.01016.50
7.4.200.0040.00416.32
7.4.160.0080.00816.47
7.4.150.0100.00717.40
7.4.140.0130.00717.86
7.4.130.0100.00816.30
7.4.120.0050.01116.35
7.4.110.0100.01316.38
7.4.100.0100.01316.41
7.4.90.0110.00716.48
7.4.80.0130.00319.39
7.4.70.0090.00916.46
7.4.60.0100.00616.43
7.4.50.0060.00316.52
7.4.40.0140.00816.28
7.4.30.0090.01216.32
7.4.00.0040.01214.81
7.3.330.0020.00212.97
7.3.320.0050.00012.97
7.3.310.0040.00216.13
7.3.300.0070.00016.04
7.3.290.0080.00716.14
7.3.280.0110.00816.17
7.3.270.0140.00317.40
7.3.260.0110.00816.38
7.3.250.0080.00816.29
7.3.240.0030.01616.42
7.3.230.0170.00416.39
7.3.210.0130.00516.23
7.3.200.0150.00319.39
7.3.190.0090.01216.53
7.3.180.0080.00816.56
7.3.170.0140.00716.51
7.3.160.0000.01516.42
7.2.330.0070.01116.66
7.2.320.0090.00916.33
7.2.310.0110.00616.38
7.2.300.0140.00416.62
7.2.290.0130.00516.57
7.2.60.0100.00316.73
7.2.00.0030.00919.08
7.1.200.0090.00615.43
7.1.100.0100.00318.14
7.1.70.0040.00416.98
7.1.60.0100.01319.32
7.1.50.0130.01016.56
7.1.00.0070.07322.35
7.0.200.0030.00716.82
7.0.140.0030.07722.19
7.0.90.0100.08319.88
7.0.80.0330.07019.92
7.0.70.0470.07019.92
7.0.60.0130.08319.98
7.0.50.0200.08320.24
7.0.40.0170.08020.03
7.0.30.0000.09320.10
7.0.20.0130.03719.95
7.0.10.0000.07720.08
7.0.00.0100.04720.04
5.6.280.0030.07021.03
5.6.240.0130.07320.63
5.6.230.0000.08720.71
5.6.220.0130.03720.48
5.6.210.0100.04320.68
5.6.200.0070.04321.05
5.6.190.0070.07720.95
5.6.180.0130.07020.95
5.6.170.0130.07321.16
5.6.160.0100.07721.13
5.6.150.0000.05721.16
5.6.140.0130.08021.09
5.6.130.0170.05321.04
5.6.120.0100.07321.04
5.6.110.0130.06721.00
5.6.100.0130.07321.00
5.6.90.0100.08721.14
5.6.80.0030.08720.32
5.6.70.0070.08720.45
5.6.60.0100.06320.32
5.6.50.0170.04720.45
5.6.40.0130.07320.42
5.6.30.0130.07020.36
5.6.20.0030.04320.48
5.6.10.0130.05020.45
5.6.00.0200.03320.41
5.5.380.0070.08020.35
5.5.370.0000.07320.36
5.5.360.0070.04320.34
5.5.350.0100.07320.38
5.5.340.0100.06020.79
5.5.330.0200.04320.82
5.5.320.0030.08720.91
5.5.310.0130.06720.62
5.5.300.0030.06720.90
5.5.290.0030.06720.79
5.5.280.0070.05720.92
5.5.270.0230.07020.87
5.5.260.0200.06720.79
5.5.250.0100.05320.73
5.5.240.0130.06020.25
5.5.230.0070.05320.14
5.5.220.0070.07720.25
5.5.210.0030.07020.13
5.5.200.0100.06720.25
5.5.190.0070.07720.23
5.5.180.0070.07320.25
5.5.160.0030.08320.10
5.5.150.0070.07020.22
5.5.140.0100.07020.18
5.5.130.0100.07720.25
5.5.120.0070.07020.05
5.5.110.0100.06320.25
5.5.100.0100.05320.09
5.5.90.0130.06020.06
5.5.80.0030.07719.93
5.5.70.0030.04719.99
5.5.60.0070.08020.13
5.5.50.0100.07720.05
5.5.40.0100.07719.96
5.5.30.0070.07719.95
5.5.20.0070.06719.98
5.5.10.0200.06020.13
5.5.00.0070.07719.98
5.4.450.0030.07019.42
5.4.440.0200.07319.29
5.4.430.0000.06019.45
5.4.420.0070.05019.45
5.4.410.0070.07319.40
5.4.400.0070.07319.07
5.4.390.0200.06319.07
5.4.380.0170.07018.83
5.4.370.0100.07019.06
5.4.360.0000.05718.96
5.4.350.0000.08018.81
5.4.340.0070.07018.81
5.4.320.0100.06019.07
5.4.310.0100.07319.15
5.4.300.0300.03018.80
5.4.290.0170.07018.78
5.4.280.0170.06019.03
5.4.270.0070.04019.02
5.4.260.0070.06319.23
5.4.250.0070.07018.94
5.4.240.0100.06019.02
5.4.230.0130.03719.04
5.4.220.0100.07018.96
5.4.210.0030.06318.78
5.4.200.0070.04018.95
5.4.190.0130.07018.93
5.4.180.0070.08019.02
5.4.170.0030.04718.80
5.4.160.0100.04019.21
5.4.150.0070.04018.88
5.4.140.0070.05016.22
5.4.130.0030.07716.22
5.4.120.0070.03716.22
5.4.110.0100.04716.31
5.4.100.0070.07016.21
5.4.90.0200.05716.21
5.4.80.0070.05316.36
5.4.70.0000.04716.39
5.4.60.0100.07016.23
5.4.50.0030.07016.27
5.4.40.0070.04016.45
5.4.30.0100.06716.20
5.4.20.0030.04316.37
5.4.10.0030.07016.31
5.4.00.0070.06715.73
5.3.290.0070.07714.54
5.3.280.0070.06314.57
5.3.270.0030.07014.51
5.3.260.0100.07014.59
5.3.250.0070.07314.60
5.3.240.0100.04314.58
5.3.230.0130.04714.45
5.3.220.0070.04014.57
5.3.210.0130.06714.57
5.3.200.0030.06014.41
5.3.190.0070.08014.41
5.3.180.0070.04314.41
5.3.170.0100.06014.52
5.3.160.0100.06714.47
5.3.150.0070.06714.52
5.3.140.0030.04014.53
5.3.130.0030.03714.48
5.3.120.0000.05014.49
5.3.110.0030.06014.41
5.3.100.0000.08014.03
5.3.90.0000.04313.99
5.3.80.0030.07014.01
5.3.70.0070.07713.96
5.3.60.0130.06314.00
5.3.50.0030.07013.80
5.3.40.0130.04313.92
5.3.30.0170.03313.89
5.3.20.0100.07013.59
5.3.10.0070.06313.59
5.3.00.0030.07313.59
5.2.170.0030.03311.16
5.2.160.0030.05711.16
5.2.150.0070.06311.06
5.2.140.0070.06010.95
5.2.130.0070.04311.12
5.2.120.0030.05710.92
5.2.110.0070.05710.92
5.2.100.0200.04311.07
5.2.90.0030.06011.09
5.2.80.0070.06011.05
5.2.70.0070.05711.01
5.2.60.0070.06310.91
5.2.50.0100.06010.86
5.2.40.0030.06010.84
5.2.30.0100.05710.79
5.2.20.0030.04711.03
5.2.10.0100.02710.91
5.2.00.0030.06010.72
5.1.60.0100.02310.05
5.1.50.0030.02710.03
5.1.40.0100.04710.00
5.1.30.0070.05010.26
5.1.20.0000.03710.39
5.1.10.0070.04010.08
5.1.00.0170.04010.13
5.0.50.0030.0338.54
5.0.40.0030.0378.43
5.0.30.0000.0338.20
5.0.20.0030.0308.18
5.0.10.0030.0208.23
5.0.00.0000.0638.18
4.4.90.0070.0237.08
4.4.80.0030.0177.08
4.4.70.0000.0207.08
4.4.60.0000.0377.08
4.4.50.0030.0307.08
4.4.40.0000.0437.08
4.4.30.0070.0237.08
4.4.20.0030.0307.08
4.4.10.0030.0277.08
4.4.00.0030.0437.08
4.3.110.0100.0277.08
4.3.100.0000.0177.08
4.3.90.0030.0177.08
4.3.80.0030.0477.08
4.3.70.0070.0307.08
4.3.60.0000.0277.08
4.3.50.0000.0307.08
4.3.40.0030.0337.08
4.3.30.0000.0207.08
4.3.20.0000.0177.08
4.3.10.0030.0307.08
4.3.00.0000.0307.08

preferences:
50.82 ms | 400 KiB | 5 Q