3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_check_encoding("\xc0\x80"), 'UTF-8', json_encode("\xc0\x80"));

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)
8.3.70.0090.00916.34
8.3.60.0140.00416.50
8.3.50.0160.00321.94
8.3.40.0100.01018.71
8.3.30.0070.00718.79
8.3.20.0040.00420.21
8.3.10.0000.00823.65
8.3.00.0040.00419.13
8.2.180.0060.01016.38
8.2.170.0030.01422.96
8.2.160.0110.00320.45
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00421.99
8.2.110.0060.00320.57
8.2.100.0040.00717.59
8.2.90.0030.00519.09
8.2.80.0000.00817.97
8.2.70.0000.00817.38
8.2.60.0090.00017.80
8.2.50.0080.00018.07
8.2.40.0000.01017.91
8.2.30.0050.00219.71
8.2.20.0030.00617.48
8.2.10.0040.00417.98
8.2.00.0000.00717.55
8.1.280.0040.01125.92
8.1.270.0000.00823.71
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0060.00323.70
8.1.230.0090.00322.10
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0060.00317.23
8.1.190.0030.00516.99
8.1.180.0000.01018.10
8.1.170.0040.00418.40
8.1.160.0020.00522.07
8.1.150.0000.00718.57
8.1.140.0040.00417.29
8.1.130.0040.00417.33
8.1.120.0070.00017.23
8.1.110.0080.00017.29
8.1.100.0030.00517.44
8.1.90.0070.00017.42
8.1.80.0000.00717.29
8.1.70.0040.00417.37
8.1.60.0000.00917.50
8.1.50.0040.00417.35
8.1.40.0000.00717.36
8.1.30.0050.00317.47
8.1.20.0000.00717.51
8.1.10.0040.00417.39
8.1.00.0040.00417.40
8.0.300.0060.00320.80
8.0.290.0040.00416.93
8.0.280.0000.00718.36
8.0.270.0000.00717.18
8.0.260.0050.00316.64
8.0.250.0070.00016.75
8.0.240.0030.00616.90
8.0.230.0030.00316.72
8.0.220.0000.00816.79
8.0.210.0050.00216.82
8.0.200.0070.00016.80
8.0.190.0030.00316.86
8.0.180.0070.00016.85
8.0.170.0050.00316.73
8.0.160.0030.00316.91
8.0.150.0000.00716.62
8.0.140.0000.00816.76
8.0.130.0030.00313.28
8.0.120.0030.00516.80
8.0.110.0000.00716.71
8.0.100.0000.00716.82
8.0.90.0030.00316.85
8.0.80.0060.00916.87
8.0.70.0040.00416.72
8.0.60.0000.00916.83
8.0.50.0040.00416.73
8.0.30.0050.01816.78
8.0.20.0070.01017.40
8.0.10.0050.00216.77
8.0.00.0080.01116.61
7.4.330.0050.00015.02
7.4.320.0000.00716.57
7.4.300.0070.00016.43
7.4.290.0070.00016.45
7.4.280.0030.00516.49
7.4.270.0030.00316.41
7.4.260.0040.00416.44
7.4.250.0080.00016.38
7.4.240.0060.00116.45
7.4.230.0030.00316.52
7.4.220.0150.00316.59
7.4.210.0060.00916.50
7.4.200.0070.00016.52
7.4.190.0030.00316.56
7.4.160.0030.01316.51
7.4.150.0100.00717.40
7.4.140.0070.01017.86
7.4.130.0090.01116.32
7.4.120.0060.01216.48
7.4.110.0140.00416.44
7.4.100.0160.00316.53
7.4.90.0100.00716.27
7.4.80.0160.00819.39
7.4.70.0070.01416.50
7.4.60.0000.01516.18
7.4.50.0040.00416.34
7.4.40.0100.00716.27
7.4.30.0170.00016.45
7.4.00.0090.00615.05
7.3.330.0060.00213.09
7.3.320.0000.00513.08
7.3.310.0030.00316.13
7.3.300.0000.00716.24
7.3.290.0130.00016.15
7.3.280.0070.01116.18
7.3.270.0070.01017.40
7.3.260.0090.00616.15
7.3.250.0110.00616.21
7.3.240.0130.00316.48
7.3.230.0130.00316.39
7.3.210.0130.00316.05
7.3.200.0070.01319.39
7.3.190.0120.00916.50
7.3.180.0070.01116.32
7.3.170.0040.01816.45
7.3.160.0130.00316.11
7.3.120.0000.01314.61
7.2.330.0100.00716.40
7.2.320.0160.00516.38
7.2.310.0070.01116.33
7.2.300.0060.01116.23
7.2.290.0080.01116.28
7.1.200.0100.00315.77
7.1.70.0060.00816.98
7.1.60.0170.00719.46
7.1.50.0180.01216.51
7.1.00.0100.07022.30
7.0.200.0210.00714.60
7.0.140.0070.07022.01
7.0.90.0100.05019.93
7.0.80.0100.07319.84
7.0.70.0600.07719.97
7.0.60.0500.08319.96
7.0.50.0470.08020.16
7.0.40.0030.09020.04
7.0.30.0030.08720.01
7.0.20.0100.08320.04
7.0.10.0070.06720.16
7.0.00.0030.06020.07
5.6.280.0000.07721.09
5.6.240.0070.08320.63
5.6.230.0130.07320.49
5.6.220.0100.08020.61
5.6.210.0100.08020.49
5.6.200.0100.08320.96
5.6.190.0130.05320.93
5.6.180.0130.07321.03
5.6.170.0070.08721.08
5.6.160.0130.07721.03
5.6.150.0070.07321.03
5.6.140.0170.06721.16
5.6.130.0100.05721.01
5.6.120.0070.08320.95
5.6.110.0030.08020.93
5.6.100.0030.08021.02
5.6.90.0030.08320.93
5.6.80.0030.04720.44
5.6.70.0030.08720.41
5.6.60.0100.07720.40
5.6.50.0070.04320.41
5.6.40.0070.07720.48
5.6.30.0100.08020.52
5.6.20.0130.07320.40
5.6.10.0130.06720.39
5.6.00.0070.08320.44
5.5.380.0130.07020.34
5.5.370.0030.08720.45
5.5.360.0070.05320.34
5.5.350.0100.08020.38
5.5.340.0070.05320.83
5.5.330.0130.05720.75
5.5.320.0030.07020.77
5.5.310.0070.08320.91
5.5.300.0130.07720.88
5.5.290.0070.05320.82
5.5.280.0070.05720.72
5.5.270.0070.08320.88
5.5.260.0070.08320.84
5.5.250.0200.06720.61
5.5.240.0130.07320.11
5.5.230.0200.05020.27
5.5.220.0030.07720.25
5.5.210.0100.07320.24
5.5.200.0030.05720.26
5.5.190.0270.06320.14
5.5.180.0030.05020.27
5.5.160.0030.06020.20
5.5.150.0100.06720.20
5.5.140.0100.07720.27
5.5.130.0200.06020.14
5.5.120.0030.05320.22
5.5.110.0030.05020.25
5.5.100.0030.05020.15
5.5.90.0030.04020.06
5.5.80.0030.07720.06
5.5.70.0070.06019.93
5.5.60.0070.07720.04
5.5.50.0170.07020.02
5.5.40.0130.06719.92
5.5.30.0070.06320.04
5.5.20.0130.07720.09
5.5.10.0100.06720.04
5.5.00.0030.07719.94
5.4.450.0030.08719.36
5.4.440.0200.06719.42
5.4.430.0130.07319.36
5.4.420.0070.07719.46
5.4.410.0030.07719.04
5.4.400.0000.07718.95
5.4.390.0070.07019.11
5.4.380.0030.08019.13
5.4.370.0130.06019.13
5.4.360.0000.08019.04
5.4.350.0130.07018.98
5.4.340.0130.04318.75
5.4.320.0130.07019.14
5.4.310.0230.06318.90
5.4.300.0100.06718.90
5.4.290.0300.04018.80
5.4.280.0070.07718.81
5.4.270.0030.07319.09
5.4.260.0100.07318.81
5.4.250.0030.06019.11
5.4.240.0030.08019.12
5.4.230.0030.07018.91
5.4.220.0030.08719.02
5.4.210.0170.06319.02
5.4.200.0070.07318.95
5.4.190.0170.06018.93
5.4.180.0000.08319.04
5.4.170.0100.07719.08
5.4.160.0200.05719.07
5.4.150.0030.08018.76
5.4.140.0070.06016.29
5.4.130.0130.05316.31
5.4.120.0030.04316.27
5.4.110.0070.04716.42
5.4.100.0000.07716.39
5.4.90.0030.07716.31
5.4.80.0100.06716.45
5.4.70.0030.07716.20
5.4.60.0030.07716.18
5.4.50.0030.07316.23
5.4.40.0000.08016.33
5.4.30.0070.05316.28
5.4.20.0070.07016.41
5.4.10.0130.05716.31
5.4.00.0000.04015.75
5.3.290.0170.06314.60
5.3.280.0070.07714.58
5.3.270.0100.05314.56
5.3.260.0070.07714.46
5.3.250.0070.07314.58
5.3.240.0130.07014.55
5.3.230.0130.06014.45
5.3.220.0030.07714.55
5.3.210.0170.06014.54
5.3.200.0030.07714.39
5.3.190.0100.07014.55
5.3.180.0030.04314.39
5.3.170.0070.07014.55
5.3.160.0000.05014.57
5.3.150.0100.03714.54
5.3.140.0030.07714.51
5.3.130.0130.05714.39
5.3.120.0030.04014.50
5.3.110.0130.06714.53
5.3.100.0030.04013.98
5.3.90.0030.03713.85
5.3.80.0070.07313.98
5.3.70.0030.07314.01
5.3.60.0030.07713.93
5.3.50.0070.07313.90
5.3.40.0170.06713.73
5.3.30.0130.05713.66
5.3.20.0000.05713.66
5.3.10.0070.03013.56
5.3.00.0000.03713.57
5.2.170.0030.04311.00
5.2.160.0000.06710.98
5.2.150.0030.06711.13
5.2.140.0000.07011.09
5.2.130.0000.03011.17
5.2.120.0070.02311.16
5.2.110.0000.03010.95
5.2.100.0030.02711.05
5.2.90.0030.02710.92
5.2.80.0030.03011.13
5.2.70.0000.03010.88
5.2.60.0000.03010.89
5.2.50.0000.06010.97
5.2.40.0070.04010.79
5.2.30.0000.03310.99
5.2.20.0170.04010.80
5.2.10.0070.05710.79
5.2.00.0070.02010.63
5.1.60.0030.0209.82
5.1.50.0000.0279.98
5.1.40.0030.0339.96
5.1.30.0000.05710.28
5.1.20.0070.02010.42
5.1.10.0030.02710.06
5.1.00.0070.0209.94
5.0.50.0000.0208.59
5.0.40.0070.0338.43
5.0.30.0000.0308.22
5.0.20.0030.0208.03
5.0.10.0000.0208.15
5.0.00.0030.0278.00
4.4.90.0030.0137.22
4.4.80.0000.0137.22
4.4.70.0000.0177.22
4.4.60.0030.0107.22
4.4.50.0030.0137.22
4.4.40.0030.0337.22
4.4.30.0000.0337.22
4.4.20.0030.0137.22
4.4.10.0000.0177.22
4.4.00.0000.0277.22
4.3.110.0000.0137.22
4.3.100.0000.0137.22
4.3.90.0000.0137.22
4.3.80.0000.0237.22
4.3.70.0000.0137.22
4.3.60.0030.0137.22
4.3.50.0070.0107.22
4.3.40.0030.0177.22
4.3.30.0000.0237.22
4.3.20.0000.0237.22
4.3.10.0000.0177.22
4.3.00.0000.0177.22

preferences:
44.26 ms | 401 KiB | 5 Q