3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode('aaaa');

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)
8.3.40.0040.01118.46
8.3.30.0100.00720.05
8.3.20.0080.00019.93
8.3.10.0060.00321.95
8.3.00.0040.00422.25
8.2.170.0110.00422.96
8.2.160.0120.00322.08
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00720.80
8.2.110.0060.00319.27
8.2.100.0040.00718.09
8.2.90.0080.00019.25
8.2.80.0080.00019.21
8.2.70.0000.00817.63
8.2.60.0040.00417.79
8.2.50.0060.00318.07
8.2.40.0000.00718.21
8.2.30.0000.00819.34
8.2.20.0050.00217.68
8.2.10.0040.00417.42
8.2.00.0030.00617.54
8.1.270.0050.00323.99
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0100.00022.33
8.1.230.0040.00720.66
8.1.220.0070.00018.77
8.1.210.0040.00419.12
8.1.200.0040.00417.23
8.1.190.0050.00317.39
8.1.180.0000.00818.10
8.1.170.0060.00318.59
8.1.160.0000.00718.62
8.1.150.0040.00418.50
8.1.140.0000.00717.36
8.1.130.0000.00917.63
8.1.120.0070.00317.21
8.1.110.0080.00017.37
8.1.100.0040.00317.22
8.1.90.0000.00717.36
8.1.80.0050.00217.25
8.1.70.0030.00317.28
8.1.60.0040.00417.34
8.1.50.0040.00417.38
8.1.40.0100.00017.42
8.1.30.0060.00317.48
8.1.20.0040.00417.39
8.1.10.0030.00617.35
8.1.00.0030.00617.44
8.0.300.0030.00719.89
8.0.290.0020.00517.05
8.0.280.0070.00018.38
8.0.270.0030.00317.13
8.0.260.0000.00616.66
8.0.250.0000.00716.95
8.0.240.0060.00316.76
8.0.230.0000.00716.80
8.0.220.0070.00016.67
8.0.210.0030.00416.68
8.0.200.0040.00416.69
8.0.190.0000.00816.87
8.0.180.0000.00716.77
8.0.170.0000.00816.75
8.0.160.0000.00716.73
8.0.150.0050.00316.60
8.0.140.0070.00316.61
8.0.130.0030.00313.18
8.0.120.0070.00016.72
8.0.110.0000.00716.75
8.0.100.0000.00716.82
8.0.90.0040.00316.74
8.0.80.0090.00616.75
8.0.70.0000.00716.82
8.0.60.0000.00716.60
8.0.50.0000.00716.75
8.0.30.0100.00916.79
8.0.20.0090.01017.40
8.0.10.0040.00416.87
8.0.00.0100.00916.70
7.4.330.0050.00016.78
7.4.320.0000.00616.43
7.4.300.0060.00016.29
7.4.290.0070.00016.50
7.4.280.0040.00416.20
7.4.270.0030.00316.36
7.4.260.0000.00513.13
7.4.250.0050.00316.31
7.4.240.0020.00516.36
7.4.230.0070.00016.28
7.4.220.0180.00716.50
7.4.210.0080.00816.46
7.4.200.0030.00316.55
7.4.190.0030.00316.36
7.4.160.0150.00616.39
7.4.150.0140.00317.40
7.4.140.0070.00917.86
7.4.130.0130.00416.33
7.4.120.0130.00316.43
7.4.110.0070.01016.39
7.4.100.0030.01616.42
7.4.90.0130.00316.55
7.4.80.0100.00719.39
7.4.70.0090.00916.34
7.4.60.0070.01016.30
7.4.50.0080.00016.56
7.4.40.0040.01522.77
7.4.30.0040.01416.31
7.4.00.0070.00714.72
7.3.330.0000.00513.04
7.3.320.0050.00012.96
7.3.310.0030.00316.17
7.3.300.0060.00016.16
7.3.290.0090.00616.10
7.3.280.0100.00716.12
7.3.270.0070.01717.40
7.3.260.0160.00616.40
7.3.250.0030.01616.39
7.3.240.0030.01616.31
7.3.230.0030.01316.39
7.3.210.0120.01316.10
7.3.200.0150.00619.39
7.3.190.0000.01616.43
7.3.180.0030.01316.39
7.3.170.0060.00916.27
7.3.160.0060.00916.43
7.3.120.0150.00014.57
7.3.110.0000.01514.40
7.3.100.0060.01014.54
7.3.90.0000.01414.52
7.3.80.0000.01814.60
7.3.70.0000.01214.66
7.3.60.0030.01314.68
7.3.50.0030.01014.68
7.3.40.0070.00714.52
7.3.30.0120.00314.45
7.3.20.0070.00716.30
7.3.10.0040.00716.58
7.3.00.0040.01116.55
7.2.330.0110.00716.57
7.2.320.0030.01316.49
7.2.310.0100.00716.32
7.2.300.0100.00716.63
7.2.290.0080.00816.59
7.2.240.0100.00314.79
7.2.230.0030.01015.01
7.2.220.0070.01114.45
7.2.210.0090.00614.78
7.2.200.0130.00314.53
7.2.190.0060.01014.75
7.2.180.0100.00314.74
7.2.170.0070.00714.91
7.2.160.0090.00614.98
7.2.150.0070.01016.37
7.2.140.0110.00716.83
7.2.130.0070.00716.52
7.2.120.0070.00316.64
7.2.110.0000.01616.49
7.2.100.0080.00416.63
7.2.90.0060.01016.80
7.2.80.0060.01016.65
7.2.70.0030.00916.86
7.2.60.0030.01316.73
7.2.50.0070.01016.39
7.2.40.0040.01116.88
7.2.30.0070.01116.80
7.2.20.0040.01216.62
7.2.10.0070.00716.70
7.2.00.0030.00916.72
7.1.330.0070.00715.66
7.1.320.0040.00815.64
7.1.310.0100.00315.86
7.1.300.0030.01015.50
7.1.290.0040.00415.50
7.1.280.0000.01115.61
7.1.270.0060.00315.46
7.1.260.0090.00615.34
7.1.250.0070.01015.66
7.1.200.0210.00715.35
7.1.70.0000.01216.71
7.1.60.0100.01019.17
7.1.50.0070.01116.69
7.1.00.0030.05322.30
7.0.200.0040.00416.36
7.0.140.0030.07322.19
7.0.90.0600.06020.06
7.0.80.0670.07019.80
7.0.70.0670.06019.79
7.0.60.0600.06719.86
7.0.50.0530.07720.34
7.0.40.0030.05020.10
7.0.30.0130.08320.09
7.0.20.0100.08020.14
7.0.10.0170.05320.10
7.0.00.0000.06320.14
5.6.280.0100.06721.05
5.6.240.0170.07020.70
5.6.230.0230.06020.54
5.6.220.0070.07320.64
5.6.210.0230.06020.60
5.6.200.0070.05321.11
5.6.190.0100.07321.05
5.6.180.0000.05721.04
5.6.170.0070.07021.13
5.6.160.0070.05721.02
5.6.150.0030.05321.07
5.6.140.0070.07321.02
5.6.130.0000.04721.05
5.6.120.0070.08320.93
5.6.110.0070.09321.07
5.6.100.0000.05721.06
5.6.90.0100.03721.08
5.6.80.0070.04020.41
5.6.70.0030.04020.32
5.6.60.0100.08020.44
5.6.50.0100.08020.30
5.6.40.0070.07720.37
5.6.30.0030.08320.39
5.6.20.0100.07320.34
5.6.10.0030.06020.31
5.6.00.0070.07720.36
5.5.380.0000.07020.29
5.5.370.0130.07020.39
5.5.360.0230.07020.35
5.5.350.0030.08720.39
5.5.340.0100.07720.64
5.5.330.0100.06720.64
5.5.320.0100.07720.63
5.5.310.0030.05320.90
5.5.300.0130.03720.63
5.5.290.0100.04320.85
5.5.280.0070.04720.72
5.5.270.0130.05320.91
5.5.260.0030.08320.81
5.5.250.0070.05020.68
5.5.240.0070.03720.26
5.5.230.0070.07720.26
5.5.220.0100.07720.28
5.5.210.0070.09720.29
5.5.200.0070.08720.14
5.5.190.0100.05320.19
5.5.180.0030.06720.23
5.5.160.0100.04320.10
5.5.150.0170.06320.11
5.5.140.0130.08020.22
5.5.130.0230.05720.26
5.5.120.0070.08020.25
5.5.110.0030.04720.26
5.5.100.0000.05320.11
5.5.90.0230.06319.96
5.5.80.0030.07720.05
5.5.70.0130.06319.99
5.5.60.0070.04720.02
5.5.50.0130.07020.04
5.5.40.0100.05720.01
5.5.30.0070.08020.02
5.5.20.0130.06720.04
5.5.10.0070.07719.95
5.5.00.0030.05720.11
5.4.450.0000.04319.11
5.4.440.0130.06719.35
5.4.430.0000.05319.36
5.4.420.0000.08319.42
5.4.410.0130.05019.10
5.4.400.0130.04318.98
5.4.390.0000.04319.00
5.4.380.0100.07019.14
5.4.370.0130.07319.06
5.4.360.0100.08018.94
5.4.350.0100.07718.98
5.4.340.0070.07018.81
5.4.320.0070.08018.98
5.4.310.0130.06019.05
5.4.300.0130.06019.11
5.4.290.0100.05719.22
5.4.280.0070.08019.02
5.4.270.0100.03319.03
5.4.260.0030.06319.11
5.4.250.0070.07719.06
5.4.240.0070.04019.02
5.4.230.0030.04019.02
5.4.220.0130.07318.97
5.4.210.0070.06718.93
5.4.200.0170.06719.16
5.4.190.0100.07719.12
5.4.180.0170.06318.80
5.4.170.0170.05719.04
5.4.160.0070.07019.12
5.4.150.0030.05718.92
5.4.140.0030.04016.22
5.4.130.0070.07016.21
5.4.120.0130.05016.32
5.4.110.0100.07016.30
5.4.100.0100.06016.27
5.4.90.0130.06716.43
5.4.80.0000.04016.43
5.4.70.0100.07016.30
5.4.60.0070.06016.27
5.4.50.0200.05716.38
5.4.40.0030.04716.45
5.4.30.0070.04716.23
5.4.20.0070.07016.18
5.4.10.0030.04016.17
5.4.00.0100.04315.78
5.3.290.0130.07314.48
5.3.280.0070.03714.55
5.3.270.0070.04314.59
5.3.260.0130.07014.52
5.3.250.0100.07014.61
5.3.240.0100.07014.45
5.3.230.0070.08014.41
5.3.220.0100.07314.55
5.3.210.0070.07714.42
5.3.200.0070.07314.54
5.3.190.0170.07014.52
5.3.180.0130.06314.54
5.3.170.0100.07014.54
5.3.160.0030.04714.52
5.3.150.0130.07014.52
5.3.140.0070.07714.38
5.3.130.0030.08314.54
5.3.120.0070.05314.45
5.3.110.0030.05014.54
5.3.100.0170.06013.99
5.3.90.0030.04714.00
5.3.80.0070.03313.95
5.3.70.0100.06013.98
5.3.60.0100.04313.97
5.3.50.0100.06013.85
5.3.40.0030.04313.79
5.3.30.0170.06013.89
5.3.20.0070.04713.66
5.3.10.0100.06713.62
5.3.00.0130.06313.61
5.2.170.0070.06011.17
5.2.160.0100.05311.10
5.2.150.0000.06010.98
5.2.140.0100.04311.20
5.2.130.0070.05311.09
5.2.120.0030.03710.94
5.2.110.0130.05711.04
5.2.100.0030.04011.14
5.2.90.0100.05011.02
5.2.80.0070.03711.10
5.2.70.0000.03711.09
5.2.60.0000.04010.99
5.2.50.0130.05011.05
5.2.40.0000.06711.02
5.2.30.0070.03710.93
5.2.20.0030.03310.95
5.2.10.0070.06010.91
5.2.00.0070.03010.73
5.1.60.0100.03310.00
5.1.50.0000.0479.83
5.1.40.0070.0539.98
5.1.30.0030.04710.33
5.1.20.0070.03010.37
5.1.10.0000.06010.05
5.1.00.0000.04710.05
5.0.50.0000.0508.59
5.0.40.0000.0278.39
5.0.30.0030.0438.20
5.0.20.0000.0338.27
5.0.10.0030.0178.26
5.0.00.0000.0377.98
4.4.90.0130.0177.79
4.4.80.0070.0207.79
4.4.70.0000.0207.79
4.4.60.0000.0337.79
4.4.50.0000.0237.79
4.4.40.0000.0537.79
4.4.30.0030.0337.79
4.4.20.0070.0307.79
4.4.10.0100.0237.79
4.4.00.0030.0507.79
4.3.110.0000.0177.79
4.3.100.0070.0277.79
4.3.90.0030.0137.79
4.3.80.0000.0477.79
4.3.70.0000.0207.79
4.3.60.0000.0177.79
4.3.50.0030.0137.79
4.3.40.0000.0307.79
4.3.30.0000.0177.79
4.3.20.0000.0177.79
4.3.10.0000.0177.79
4.3.00.0030.0107.79

preferences:
42.77 ms | 400 KiB | 5 Q