3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode(["foo" => chr(132), "bar" => "bar"]);

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)
8.3.60.0150.00016.48
8.3.50.0100.00921.91
8.3.40.0160.00318.70
8.3.30.0030.01018.95
8.3.20.0060.00320.05
8.3.10.0000.00823.61
8.3.00.0040.00419.02
8.2.180.0090.00618.11
8.2.170.0150.00022.96
8.2.160.0070.00720.35
8.2.150.0090.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.73
8.2.110.0060.00322.13
8.2.100.0040.00819.51
8.2.90.0030.00619.22
8.2.80.0040.00417.97
8.2.70.0070.00317.63
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0090.00019.95
8.2.30.0000.00718.17
8.2.20.0000.00817.63
8.2.10.0040.00418.05
8.2.00.0000.00817.48
8.1.280.0140.00725.92
8.1.270.0090.00023.67
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.98
8.1.230.0070.00419.12
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0080.00017.23
8.1.180.0020.00518.10
8.1.170.0030.00518.52
8.1.160.0000.00821.84
8.1.150.0040.00418.53
8.1.140.0070.00017.23
8.1.130.0030.00317.71
8.1.120.0040.00417.26
8.1.110.0030.00517.21
8.1.100.0050.00317.23
8.1.90.0000.00717.36
8.1.80.0050.00217.29
8.1.70.0070.00017.24
8.1.60.0040.00417.50
8.1.50.0030.00517.27
8.1.40.0000.00717.27
8.1.30.0090.00017.34
8.1.20.0030.00517.53
8.1.10.0000.00817.56
8.1.00.0000.00717.30
8.0.300.0030.00518.77
8.0.290.0000.00716.93
8.0.280.0070.00018.27
8.0.270.0070.00017.21
8.0.260.0000.00617.12
8.0.250.0000.00716.91
8.0.240.0030.00316.78
8.0.230.0070.00016.77
8.0.220.0070.00016.63
8.0.210.0030.00616.76
8.0.200.0030.00316.68
8.0.190.0000.00716.70
8.0.180.0040.00416.62
8.0.170.0070.00016.78
8.0.160.0070.00016.77
8.0.150.0070.00016.72
8.0.140.0040.00416.66
8.0.130.0030.00313.19
8.0.120.0040.00416.74
8.0.110.0040.00416.72
8.0.100.0000.00816.75
8.0.90.0000.00816.82
8.0.80.0040.01116.76
8.0.70.0040.00416.67
8.0.60.0000.00716.69
8.0.50.0070.00016.75
8.0.30.0100.00817.02
8.0.20.0130.00617.40
8.0.10.0040.00416.93
8.0.00.0070.01316.67
7.4.330.0020.00215.00
7.4.320.0060.00016.46
7.4.300.0000.00716.31
7.4.290.0000.00716.38
7.4.280.0060.00516.27
7.4.270.0000.00816.45
7.4.260.0000.00716.35
7.4.250.0040.00416.31
7.4.240.0040.00416.43
7.4.230.0030.00316.38
7.4.220.0090.00916.43
7.4.210.0040.01116.23
7.4.200.0040.00416.53
7.4.190.0070.00016.46
7.4.160.0040.01216.48
7.4.150.0080.01117.40
7.4.140.0140.00517.86
7.4.130.0080.00916.38
7.4.120.0090.00716.39
7.4.110.0080.00816.34
7.4.100.0070.01016.27
7.4.90.0180.00316.54
7.4.80.0120.00619.39
7.4.70.0070.01416.41
7.4.60.0030.01716.60
7.4.50.0000.00816.16
7.4.40.0060.01216.46
7.4.30.0060.01316.50
7.4.00.0070.00714.93
7.3.330.0060.00013.14
7.3.320.0020.00213.09
7.3.310.0040.00416.05
7.3.300.0030.00316.21
7.3.290.0070.00716.30
7.3.280.0110.00516.19
7.3.270.0080.00817.40
7.3.260.0040.01316.24
7.3.250.0080.00816.36
7.3.240.0070.01016.25
7.3.230.0070.01216.39
7.3.210.0080.00816.19
7.3.200.0080.00819.39
7.3.190.0090.00816.26
7.3.180.0140.00316.19
7.3.170.0060.01016.31
7.3.160.0090.00916.41
7.3.120.0030.01015.04
7.2.330.0120.00616.66
7.2.320.0060.01616.42
7.2.310.0130.00916.36
7.2.300.0130.00316.59
7.2.290.0130.00316.48
7.2.60.0040.01116.82
7.2.00.0060.00319.30
7.1.200.0000.01015.53
7.1.100.0040.00718.22
7.1.70.0000.00916.75
7.1.60.0160.00719.70
7.1.50.0130.01016.46
7.1.00.0030.07722.58
7.0.200.0020.00516.62
7.0.140.0000.07722.13
7.0.90.0600.04719.87
7.0.80.0570.06019.98
7.0.70.0570.05719.94
7.0.60.0700.08019.98
7.0.50.0730.06720.28
7.0.40.0130.07720.04
7.0.30.0000.08320.08
7.0.20.0030.05320.13
7.0.10.0070.07720.17
7.0.00.0170.07719.95
5.6.280.0030.07020.92
5.6.240.0170.05320.63
5.6.230.0030.08720.65
5.6.220.0100.08020.73
5.6.210.0170.03720.75
5.6.200.0100.07720.96
5.6.190.0130.06020.95
5.6.180.0030.05021.00
5.6.170.0070.04721.13
5.6.160.0030.06720.96
5.6.150.0100.08021.13
5.6.140.0100.06020.98
5.6.130.0000.07321.10
5.6.120.0030.07721.10
5.6.110.0070.08320.96
5.6.100.0100.07721.05
5.6.90.0170.06720.99
5.6.80.0070.06320.45
5.6.70.0070.05720.38
5.6.60.0000.06720.42
5.6.50.0100.08020.32
5.6.40.0130.07720.37
5.6.30.0130.05020.30
5.6.20.0230.04020.37
5.6.10.0100.06720.45
5.6.00.0030.08720.35
5.5.380.0070.07720.41
5.5.370.0070.08320.39
5.5.360.0100.07320.33
5.5.350.0070.07020.43
5.5.340.0130.07720.88
5.5.330.0130.07320.79
5.5.320.0130.07720.82
5.5.310.0230.05720.90
5.5.300.0070.07320.86
5.5.290.0030.07720.72
5.5.280.0030.05720.76
5.5.270.0070.07720.88
5.5.260.0100.05320.62
5.5.250.0070.07720.66
5.5.240.0100.07720.23
5.5.230.0100.05320.26
5.5.220.0030.08320.18
5.5.210.0070.07320.28
5.5.200.0170.06720.15
5.5.190.0070.08020.15
5.5.180.0070.07720.17
5.5.160.0070.06720.27
5.5.150.0100.07320.25
5.5.140.0030.08320.20
5.5.130.0000.07720.26
5.5.120.0130.03720.22
5.5.110.0030.08020.13
5.5.100.0070.08020.09
5.5.90.0070.07319.96
5.5.80.0070.07720.06
5.5.70.0130.07720.05
5.5.60.0070.06720.08
5.5.50.0070.07320.10
5.5.40.0100.06720.09
5.5.30.0130.04719.91
5.5.20.0000.05020.07
5.5.10.0100.07720.04
5.5.00.0070.04720.05
5.4.450.0100.07319.29
5.4.440.0030.04019.14
5.4.430.0100.08019.43
5.4.420.0070.07719.28
5.4.410.0070.07319.13
5.4.400.0100.07719.23
5.4.390.0070.07719.14
5.4.380.0130.03319.04
5.4.370.0100.07718.98
5.4.360.0030.08018.97
5.4.350.0070.05319.11
5.4.340.0100.07318.81
5.4.320.0330.05318.81
5.4.310.0070.08018.84
5.4.300.0070.07319.14
5.4.290.0000.08019.11
5.4.280.0030.07719.11
5.4.270.0130.07018.98
5.4.260.0100.07018.88
5.4.250.0130.07018.80
5.4.240.0070.04718.77
5.4.230.0170.07019.05
5.4.220.0100.07319.21
5.4.210.0070.06319.11
5.4.200.0100.07719.03
5.4.190.0070.07019.04
5.4.180.0030.04319.15
5.4.170.0100.06319.06
5.4.160.0100.07018.76
5.4.150.0030.08019.09
5.4.140.0030.04316.30
5.4.130.0100.07016.34
5.4.120.0070.07016.12
5.4.110.0000.07716.20
5.4.100.0130.07316.32
5.4.90.0170.06716.31
5.4.80.0100.04716.19
5.4.70.0000.07716.25
5.4.60.0100.07016.39
5.4.50.0070.07316.38
5.4.40.0070.07016.34
5.4.30.0200.05716.19
5.4.20.0030.04316.14
5.4.10.0030.04316.38
5.4.00.0100.07015.77
5.3.290.0070.07714.64
5.3.280.0170.06314.56
5.3.270.0170.03314.44
5.3.260.0070.04014.60
5.3.250.0030.05714.57
5.3.240.0100.06714.54
5.3.230.0130.07314.51
5.3.220.0100.05014.40
5.3.210.0070.05314.43
5.3.200.0130.07014.45
5.3.190.0000.08314.56
5.3.180.0000.08014.53
5.3.170.0130.03314.41
5.3.160.0100.07714.55
5.3.150.0100.07014.58
5.3.140.0030.07714.58
5.3.130.0030.08014.53
5.3.120.0170.06714.37
5.3.110.0070.04714.49
5.3.100.0070.06013.90
5.3.90.0030.05014.01
5.3.80.0170.07014.04
5.3.70.0030.07013.95
5.3.60.0000.05313.93
5.3.50.0130.04013.92
5.3.40.0100.04713.95
5.3.30.0070.04713.66
5.3.20.0130.06713.55
5.3.10.0100.07013.54
5.3.00.0100.06713.49
5.2.170.0230.04711.14
5.2.160.0070.05711.13
5.2.150.0070.06010.99
5.2.140.0030.05311.13
5.2.130.0070.03311.02
5.2.120.0030.05710.96
5.2.110.0030.06010.91
5.2.100.0000.06311.14
5.2.90.0030.06011.09
5.2.80.0100.04711.13
5.2.70.0070.03011.08
5.2.60.0100.04310.89
5.2.50.0000.06311.05
5.2.40.0000.05711.03
5.2.30.0170.04310.98
5.2.20.0070.05710.95
5.2.10.0070.05010.80
5.2.00.0070.06010.78
5.1.60.0000.05310.02
5.1.50.0130.04310.03
5.1.40.0070.0479.99
5.1.30.0070.05310.28
5.1.20.0030.05710.41
5.1.10.0070.05710.10
5.1.00.0030.05710.13
5.0.50.0070.0438.56
5.0.40.0030.0438.45
5.0.30.0030.0378.06
5.0.20.0000.0408.19
5.0.10.0000.0438.16
5.0.00.0030.0438.21
4.4.90.0000.0207.28
4.4.80.0070.0307.28
4.4.70.0030.0337.28
4.4.60.0000.0377.28
4.4.50.0030.0337.28
4.4.40.0030.0507.28
4.4.30.0000.0407.28
4.4.20.0000.0407.28
4.4.10.0000.0337.28
4.4.00.0030.0537.28
4.3.110.0070.0207.28
4.3.100.0030.0337.28
4.3.90.0000.0277.28
4.3.80.0000.0337.28
4.3.70.0000.0207.28
4.3.60.0070.0307.28
4.3.50.0030.0377.28
4.3.40.0030.0437.28
4.3.30.0000.0337.28
4.3.20.0030.0277.28
4.3.10.0000.0377.28
4.3.00.0000.0377.28

preferences:
45.74 ms | 401 KiB | 5 Q