3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode('\\\/', 320)); var_dump(json_encode('\\/', 320));

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)
8.3.70.0200.00716.59
8.3.60.0070.01016.50
8.3.50.0090.00821.87
8.3.40.0180.00318.77
8.3.30.0030.01018.73
8.3.20.0100.00720.13
8.3.10.0090.00023.65
8.3.00.0080.00019.06
8.2.180.0100.00716.32
8.2.170.0110.00422.96
8.2.160.0110.00320.25
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00420.61
8.2.110.0070.00322.14
8.2.100.0080.00417.78
8.2.90.0030.00517.71
8.2.80.0060.00317.97
8.2.70.0120.00017.38
8.2.60.0060.00317.68
8.2.50.0030.00518.07
8.2.40.0040.00421.01
8.2.30.0000.00718.02
8.2.20.0000.00717.41
8.2.10.0000.00717.90
8.2.00.0070.00017.52
8.1.280.0070.01425.92
8.1.270.0080.00023.92
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00920.64
8.1.230.0110.00020.96
8.1.220.0050.00317.74
8.1.210.0040.00418.91
8.1.200.0040.00817.23
8.1.190.0060.00317.10
8.1.180.0030.00518.10
8.1.170.0000.00818.64
8.1.160.0000.00721.93
8.1.150.0020.00518.50
8.1.140.0040.00417.30
8.1.130.0000.00717.73
8.1.120.0030.00317.34
8.1.110.0030.00317.20
8.1.100.0080.00017.32
8.1.90.0030.00317.35
8.1.80.0080.00017.32
8.1.70.0000.00717.27
8.1.60.0030.00617.38
8.1.50.0040.00417.37
8.1.40.0000.00817.41
8.1.30.0030.00517.44
8.1.20.0000.00717.42
8.1.10.0000.00817.27
8.1.00.0070.00017.27
8.0.300.0000.00819.81
8.0.290.0000.00717.05
8.0.280.0000.00718.26
8.0.270.0000.00717.08
8.0.260.0000.00617.13
8.0.250.0030.00316.72
8.0.240.0060.00016.83
8.0.230.0030.00316.66
8.0.220.0040.00416.75
8.0.210.0000.00716.77
8.0.200.0070.00016.85
8.0.190.0080.00016.77
8.0.180.0050.00216.80
8.0.170.0000.00816.72
8.0.160.0040.00416.82
8.0.150.0000.00716.74
8.0.140.0000.00816.73
8.0.130.0070.00013.24
8.0.120.0040.00416.71
8.0.110.0040.00416.78
8.0.100.0060.00316.61
8.0.90.0020.00816.74
8.0.80.0100.00716.75
8.0.70.0000.00716.69
8.0.60.0070.00016.68
8.0.50.0000.00716.64
8.0.30.0120.00616.73
8.0.20.0130.00717.40
8.0.10.0070.00016.69
8.0.00.0130.00816.57
7.4.330.0020.00215.00
7.4.320.0000.00916.26
7.4.300.0070.00016.42
7.4.290.0030.00316.29
7.4.280.0050.00316.20
7.4.270.0040.00416.38
7.4.260.0070.00016.41
7.4.250.0000.00816.46
7.4.240.0020.00516.40
7.4.230.0030.00316.39
7.4.220.0140.01016.36
7.4.210.0060.01116.49
7.4.200.0030.00316.55
7.4.190.0040.00416.58
7.4.160.0090.00616.32
7.4.150.0090.00917.40
7.4.140.0080.01117.86
7.4.130.0110.00816.37
7.4.120.0080.00916.20
7.4.110.0100.00616.36
7.4.100.0120.00916.38
7.4.90.0030.01316.40
7.4.80.0120.00619.39
7.4.70.0000.01816.46
7.4.60.0130.00316.35
7.4.50.0020.00216.15
7.4.40.0120.00416.40
7.4.30.0110.01116.42
7.4.00.0110.00714.88
7.3.330.0030.00212.86
7.3.320.0000.00513.02
7.3.310.0000.00715.98
7.3.300.0030.00316.17
7.3.290.0070.00716.17
7.3.280.0070.01016.17
7.3.270.0030.01317.40
7.3.260.0100.01416.35
7.3.250.0100.00716.31
7.3.240.0090.00616.13
7.3.230.0070.01016.41
7.3.210.0090.00916.13
7.3.200.0120.00819.39
7.3.190.0090.00816.23
7.3.180.0110.00516.11
7.3.170.0030.01216.39
7.3.160.0070.01016.17
7.3.120.0100.00314.58
7.3.10.0070.00716.39
7.3.00.0060.00516.51
7.2.330.0080.01216.48
7.2.320.0150.00916.54
7.2.310.0070.01116.50
7.2.300.0130.00316.45
7.2.290.0120.00616.17
7.2.130.0050.01016.63
7.2.120.0020.01016.49
7.2.110.0020.01116.78
7.2.100.0050.00716.82
7.2.90.0030.01116.70
7.2.80.0060.00516.66
7.2.70.0060.00616.77
7.2.60.0060.00716.59
7.2.50.0040.00816.65
7.2.40.0070.00616.80
7.2.30.0060.00416.76
7.2.20.0030.00816.83
7.2.10.0030.00716.59
7.2.00.0070.00616.76
7.1.250.0070.00815.70
7.1.70.0000.00916.74
7.1.60.0090.00619.46
7.1.50.0000.02116.75
7.1.00.0100.07022.33
7.0.200.0000.00816.73
7.0.140.0000.07722.13
7.0.90.0170.06319.79
7.0.80.0030.06719.90
7.0.70.0170.04719.85
7.0.60.0070.08019.99
7.0.50.0030.05020.32
7.0.40.0070.08320.05
7.0.30.0070.06320.07
7.0.20.0130.07720.09
7.0.10.0200.07020.04
7.0.00.0130.05020.11
5.6.280.0100.06720.91
5.6.240.0130.04020.64
5.6.230.0070.07720.63
5.6.220.0100.07020.56
5.6.210.0130.07720.53
5.6.200.0170.07321.01
5.6.190.0100.07321.11
5.6.180.0000.04720.93
5.6.170.0170.07321.01
5.6.160.0030.04721.04
5.6.150.0070.04021.01
5.6.140.0070.07721.16
5.6.130.0030.08321.10
5.6.120.0100.08320.95
5.6.110.0000.07321.02
5.6.100.0070.09021.05
5.6.90.0030.05321.08
5.6.80.0030.04320.51
5.6.70.0130.07320.43
5.6.60.0030.04720.38
5.6.50.0000.08720.31
5.6.40.0070.08320.46
5.6.30.0030.05020.39
5.6.20.0200.06720.45
5.6.10.0130.06320.30
5.6.00.0070.06720.29
5.5.380.0100.04720.39
5.5.370.0030.04720.36
5.5.360.0030.05320.39
5.5.350.0070.05320.33
5.5.340.0070.08320.77
5.5.330.0100.05020.86
5.5.320.0130.06320.88
5.5.310.0100.08020.91
5.5.300.0130.05020.79
5.5.290.0100.07020.85
5.5.280.0100.08720.92
5.5.270.0170.04020.78
5.5.260.0030.07720.63
5.5.250.0030.08020.67
5.5.240.0030.05020.27
5.5.230.0100.06020.29
5.5.220.0100.04320.28
5.5.210.0100.06720.20
5.5.200.0130.07720.20
5.5.190.0070.08719.98
5.5.180.0000.05320.16
5.5.160.0030.04720.23
5.5.150.0100.07320.23
5.5.140.0070.06320.25
5.5.130.0070.04020.14
5.5.120.0030.08720.17
5.5.110.0130.07720.09
5.5.100.0130.06720.09
5.5.90.0030.08020.15
5.5.80.0130.04320.11
5.5.70.0030.06320.08
5.5.60.0130.07019.93
5.5.50.0130.07020.07
5.5.40.0100.06020.07
5.5.30.0100.04719.92
5.5.20.0030.04320.07
5.5.10.0130.08020.06
5.5.00.0130.07019.98
5.4.450.0070.07319.55
5.4.440.0030.08319.14
5.4.430.0100.07719.35
5.4.420.0100.03719.46
5.4.410.0100.07019.32
5.4.400.0100.06318.81
5.4.390.0100.07319.07
5.4.380.0070.07718.96
5.4.370.0070.08019.18
5.4.360.0000.05719.13
5.4.350.0070.07019.03
5.4.340.0070.07719.13
5.4.320.0170.07018.96
5.4.310.0130.07019.03
5.4.300.0100.03319.02
5.4.290.0070.04318.96
5.4.280.0200.06719.21
5.4.270.0070.06718.98
5.4.260.0130.07319.02
5.4.250.0070.05019.14
5.4.240.0100.05319.09
5.4.230.0170.06019.11
5.4.220.0130.07318.97
5.4.210.0130.06719.02
5.4.200.0070.04019.03
5.4.190.0100.06718.77
5.4.180.0030.04318.95
5.4.170.0030.08018.80
5.4.160.0070.04319.05
5.4.150.0100.07319.02
5.4.140.0030.06016.34
5.4.130.0130.06016.21
5.4.120.0000.04316.23
5.4.110.0000.05316.43
5.4.100.0030.07716.21
5.4.90.0030.05716.44
5.4.80.0130.06016.43
5.4.70.0030.07716.20
5.4.60.0070.04316.35
5.4.50.0100.07016.19
5.4.40.0100.07016.24
5.4.30.0100.03716.31
5.4.20.0100.05316.27
5.4.10.0030.07316.20
5.4.00.0100.04315.52
5.3.290.0130.07314.62
5.3.280.0130.07314.59
5.3.270.0030.08714.45
5.3.260.0100.06714.58
5.3.250.0100.07014.58
5.3.240.0230.04014.55
5.3.230.0070.05714.41
5.3.220.0100.07714.57
5.3.210.0170.04314.55
5.3.200.0100.07014.43
5.3.190.0130.07014.51
5.3.180.0070.04714.54
5.3.170.0170.07014.55
5.3.160.0030.04714.52
5.3.150.0070.08014.39
5.3.140.0070.07014.54
5.3.130.0000.08314.52
5.3.120.0070.07314.41
5.3.110.0100.07014.36
5.3.100.0030.08014.02
5.3.90.0030.04713.85
5.3.80.0070.07013.79
5.3.70.0130.04014.00
5.3.60.0000.04713.90
5.3.50.0130.06313.70
5.3.40.0000.06713.79
5.3.30.0100.06713.66
5.3.20.0030.07013.68
5.3.10.0070.03713.62
5.3.00.0070.07013.58
5.2.170.0070.06310.96
5.2.160.0030.05311.09
5.2.150.0170.03710.93
5.2.140.0030.04310.95
5.2.130.0030.05011.13
5.2.120.0070.03711.16
5.2.110.0070.06011.12
5.2.100.0000.07011.11
5.2.90.0030.06310.96
5.2.80.0070.05311.01
5.2.70.0130.05011.04
5.2.60.0030.06310.99
5.2.50.0130.05710.93
5.2.40.0070.05010.85
5.2.30.0030.04010.96
5.2.20.0000.06310.79
5.2.10.0030.05710.91
5.2.00.0030.06310.62
5.1.60.0030.04710.00
5.1.50.0000.0379.84
5.1.40.0100.03710.03
5.1.30.0070.06010.28
5.1.20.0100.05010.40
5.1.10.0070.0479.90
5.1.00.0000.04310.05
5.0.50.0030.0378.54
5.0.40.0030.0438.24
5.0.30.0030.0638.28
5.0.20.0000.0408.20
5.0.10.0000.0478.27
5.0.00.0030.0538.14
4.4.90.0100.0276.93
4.4.80.0000.0276.93
4.4.70.0000.0376.93
4.4.60.0000.0376.93
4.4.50.0030.0376.93
4.4.40.0000.0306.93
4.4.30.0000.0376.93
4.4.20.0100.0236.93
4.4.10.0070.0176.93
4.4.00.0030.0476.93
4.3.110.0000.0406.93
4.3.100.0030.0336.93
4.3.90.0030.0336.93
4.3.80.0030.0576.93
4.3.70.0000.0176.93
4.3.60.0000.0336.93
4.3.50.0000.0276.93
4.3.40.0070.0406.93
4.3.30.0070.0306.93
4.3.20.0030.0336.93
4.3.10.0030.0276.93
4.3.00.0000.0336.93

preferences:
61.52 ms | 401 KiB | 5 Q