3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(utf8_encode(utf8_encode("toto")));

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)
8.3.60.0150.00316.75
8.3.50.0120.00521.81
8.3.40.0150.00018.70
8.3.30.0060.00918.97
8.3.20.0080.00020.25
8.3.10.0020.00523.51
8.3.00.0080.00021.01
8.2.180.0150.00016.75
8.2.170.0040.01122.96
8.2.160.0070.00720.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00626.16
8.2.120.0070.00022.21
8.2.110.0100.00022.20
8.2.100.0040.00717.79
8.2.90.0020.00518.16
8.2.80.0030.00517.97
8.2.70.0050.00317.63
8.2.60.0040.00417.80
8.2.50.0000.00818.10
8.2.40.0050.00318.09
8.2.30.0070.00017.98
8.2.20.0040.00417.58
8.2.10.0040.00417.58
8.2.00.0070.00017.62
8.1.280.0100.00725.92
8.1.270.0040.00424.01
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.81
8.1.230.0070.00422.82
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.01017.10
8.1.190.0030.00517.22
8.1.180.0050.00318.10
8.1.170.0100.00018.27
8.1.160.0000.00821.86
8.1.150.0030.00518.55
8.1.140.0040.00417.16
8.1.130.0000.00717.71
8.1.120.0000.00717.34
8.1.110.0040.00417.18
8.1.100.0000.00717.21
8.1.90.0070.00017.32
8.1.80.0040.00417.21
8.1.70.0050.00317.15
8.1.60.0000.00717.37
8.1.50.0050.00317.36
8.1.40.0070.00017.39
8.1.30.0030.00517.36
8.1.20.0070.00017.55
8.1.10.0050.00317.34
8.1.00.0070.00017.18
8.0.300.0000.00721.86
8.0.290.0000.00816.58
8.0.280.0070.00018.19
8.0.270.0030.00317.19
8.0.260.0040.00416.63
8.0.250.0030.00316.81
8.0.240.0000.00816.84
8.0.230.0030.00316.72
8.0.220.0070.00016.77
8.0.210.0030.00316.78
8.0.200.0030.00316.73
8.0.190.0110.00016.73
8.0.180.0050.00216.73
8.0.170.0000.00816.84
8.0.160.0000.00716.64
8.0.150.0070.00016.61
8.0.140.0000.01116.61
8.0.130.0030.00313.18
8.0.120.0080.00016.60
8.0.110.0040.00416.84
8.0.100.0000.00816.57
8.0.90.0020.00516.74
8.0.80.0110.00616.64
8.0.70.0040.00416.70
8.0.60.0000.00716.71
8.0.50.0040.00416.63
8.0.30.0090.01217.02
8.0.20.0090.01317.40
8.0.10.0050.00216.75
8.0.00.0110.00716.52
7.4.330.0030.00315.00
7.4.320.0000.00616.41
7.4.300.0060.00316.41
7.4.290.0000.00716.46
7.4.280.0040.00416.47
7.4.270.0030.00316.47
7.4.260.0030.00316.39
7.4.250.0030.00516.38
7.4.240.0020.00516.43
7.4.230.0070.00016.34
7.4.220.0120.00316.39
7.4.210.0080.00616.40
7.4.200.0030.00316.32
7.4.190.0050.00216.33
7.4.160.0090.00616.41
7.4.150.0090.00917.40
7.4.140.0070.00917.86
7.4.130.0110.00816.38
7.4.120.0100.00716.18
7.4.110.0100.01016.36
7.4.100.0030.01716.24
7.4.90.0100.00716.16
7.4.80.0040.01419.39
7.4.70.0040.01416.34
7.4.60.0080.00816.28
7.4.50.0050.00016.23
7.4.40.0000.01822.77
7.4.30.0050.01016.31
7.4.00.0130.00314.84
7.3.330.0030.00313.11
7.3.320.0030.00313.04
7.3.310.0030.00316.21
7.3.300.0000.00716.12
7.3.290.0070.00716.15
7.3.280.0090.01016.11
7.3.270.0080.00917.40
7.3.260.0070.01016.18
7.3.250.0090.00816.30
7.3.240.0140.00316.43
7.3.230.0130.00316.39
7.3.210.0090.01216.14
7.3.200.0090.01519.39
7.3.190.0100.00616.09
7.3.180.0040.01316.11
7.3.170.0110.01116.27
7.3.160.0090.01316.36
7.3.120.0070.01014.68
7.3.110.0050.01014.83
7.3.100.0090.00614.29
7.3.90.0050.01014.44
7.3.80.0020.01214.66
7.3.70.0060.00614.54
7.3.60.0020.00714.65
7.3.50.0060.00614.41
7.3.40.0070.00414.38
7.3.30.0010.01114.44
7.3.20.0060.00616.31
7.3.10.0050.00716.50
7.3.00.0060.00716.45
7.2.330.0030.01516.45
7.2.320.0120.00616.31
7.2.310.0070.01516.26
7.2.300.0100.00616.45
7.2.290.0080.00816.52
7.2.250.0080.00914.59
7.2.240.0070.01214.86
7.2.230.0050.01315.02
7.2.220.0050.00514.68
7.2.210.0030.01314.68
7.2.200.0050.00714.77
7.2.190.0030.01214.64
7.2.180.0070.00814.62
7.2.170.0080.00514.54
7.2.130.0040.01116.61
7.2.120.0060.00616.57
7.2.110.0050.00816.80
7.2.100.0060.00616.67
7.2.90.0030.00716.69
7.2.80.0050.00716.53
7.2.70.0030.00916.87
7.2.60.0110.00316.84
7.2.50.0050.00816.74
7.2.40.0060.01016.62
7.2.30.0000.01216.55
7.2.20.0050.00916.29
7.2.10.0050.00716.26
7.2.00.0040.00817.54
7.1.330.0070.00915.59
7.1.320.0030.00715.63
7.1.310.0040.00915.45
7.1.300.0020.01315.61
7.1.290.0020.01415.53
7.1.280.0040.00715.73
7.1.270.0070.00515.50
7.1.260.0090.00315.77
7.1.250.0100.00215.44
7.1.200.0040.01115.39
7.1.100.0150.00816.11
7.1.70.0050.00216.93
7.1.60.0070.01719.29
7.1.50.0070.01316.85
7.1.00.0070.07322.31
7.0.200.0030.00616.70
7.0.140.0000.07722.08
7.0.60.0170.04720.01
7.0.50.0130.04017.82
7.0.40.0000.04720.00
7.0.30.0230.05320.12
7.0.20.0370.06020.33
7.0.10.0000.05320.21
7.0.00.0070.08720.19
5.6.280.0070.06321.11
5.6.210.0070.07720.54
5.6.200.0030.04018.20
5.6.190.0030.04720.39
5.6.180.0200.04720.62
5.6.170.0370.04020.38
5.6.160.0070.05720.47
5.6.150.0100.07718.15
5.6.140.0070.05018.21
5.6.130.0030.04018.21
5.6.120.0030.08020.98
5.6.110.0070.08321.00
5.6.100.0070.04320.97
5.6.90.0000.04320.99
5.6.80.0030.07720.37
5.5.350.0270.07320.43
5.5.340.0000.06017.92
5.5.330.0070.08720.40
5.5.320.0300.06320.18
5.5.310.0330.07020.29
5.5.300.0030.07318.02
5.5.290.0130.03317.96
5.5.280.0100.06720.76
5.5.270.0030.09020.66
5.5.260.0030.08020.97
5.5.250.0000.09320.45
5.5.240.0170.07020.23
5.4.450.3170.03719.48
5.4.440.0030.06319.48
5.4.430.1270.04019.36
5.4.420.0030.04319.22
5.4.410.2230.04719.16
5.4.400.3900.03318.86
5.4.390.3600.03319.06
5.4.380.4100.04019.00
5.4.370.4530.03719.19
5.4.360.0100.07019.04
5.4.350.4600.03719.04
5.4.340.4300.03319.08
5.4.320.4600.04019.07
5.4.310.4600.03319.13
5.4.300.3870.03718.99
5.4.290.3900.04019.04
5.4.280.4430.04019.08
5.4.270.4430.04718.86
5.4.260.4700.03019.03
5.4.250.4470.04318.85
5.4.240.4570.03319.18
5.4.230.4230.04719.14
5.4.220.3970.03719.15
5.4.210.3900.04019.00
5.4.200.4030.03319.11
5.4.190.4230.04319.17
5.4.180.4170.04319.25
5.4.170.4030.03719.09
5.4.160.3770.03719.13
5.4.150.3700.03319.01
5.4.140.4000.03016.38
5.4.130.3670.03316.42
5.4.120.4530.03716.38
5.4.110.4500.02716.57
5.4.100.4330.03316.57
5.4.90.4300.03316.38
5.4.80.4400.04016.33
5.4.70.4630.03316.14
5.4.60.4330.03316.20
5.4.50.3530.04016.54
5.4.40.3700.03716.20
5.4.30.3870.03316.29
5.4.20.3970.05316.40
5.4.10.4130.04016.44
5.4.00.3700.04015.88
5.3.290.4600.03714.68
5.3.280.3670.04014.53
5.3.270.3930.03714.50
5.3.260.3670.04014.52
5.3.250.3670.03714.53
5.3.240.3800.04014.53
5.3.230.4030.03014.54
5.3.220.4670.03014.46
5.3.210.4600.04314.50
5.3.200.4530.03314.50
5.3.190.4670.03714.49
5.3.180.4500.04314.53
5.3.170.4430.03314.49
5.3.160.4670.03314.48
5.3.150.4230.03714.48
5.3.140.3900.03714.49
5.3.130.3970.03714.42
5.3.120.4000.03314.47
5.3.110.3900.03314.44
5.3.100.3630.03313.93
5.3.90.3870.04013.80
5.3.80.3830.03714.03
5.3.70.3670.04013.95
5.3.60.3630.03313.83
5.3.50.3630.03713.76
5.3.40.3670.03013.76
5.3.30.4230.04313.86
5.3.20.3630.03313.50
5.3.10.3400.03013.58
5.3.00.3670.04013.56
5.2.170.2970.03011.15
5.2.160.3100.02311.11
5.2.150.3030.03011.13
5.2.140.3900.03311.08
5.2.130.2970.03010.92
5.2.120.3000.02711.11
5.2.110.2530.02710.95
5.2.100.3200.02710.98
5.2.90.2900.03011.00
5.2.80.3300.02710.97
5.2.70.3270.02711.05
5.2.60.3070.03010.90
5.2.50.3970.03710.99
5.2.40.2600.03310.93
5.2.30.2730.03010.90
5.2.20.2470.02010.95
5.2.10.2170.03311.01
5.2.00.2870.02710.70
5.1.60.2600.02310.00
5.1.50.2630.02710.00
5.1.40.3230.03310.12
5.1.30.2770.02710.34
5.1.20.2400.03010.25
5.1.10.2270.03010.07
5.1.00.2600.03310.12
5.0.50.1970.0238.69
5.0.40.1670.0238.30
5.0.30.1400.0338.21
5.0.20.1430.0238.25
5.0.10.1570.0208.22
5.0.00.1430.0378.21
4.4.90.1370.0176.84
4.4.80.1530.0136.84
4.4.70.1170.0176.84
4.4.60.1230.0176.84
4.4.50.1430.0176.84
4.4.40.1230.0206.84
4.4.30.1530.0176.84
4.4.20.1930.0106.84
4.4.10.1600.0176.84
4.4.00.1670.0236.84
4.3.110.1330.0176.84
4.3.100.1470.0176.84
4.3.90.1430.0176.84
4.3.80.0000.0576.84
4.3.70.0070.0306.84
4.3.60.0000.0176.84
4.3.50.0000.0406.84
4.3.40.0130.0436.84
4.3.30.0000.0406.84
4.3.20.0000.0276.84
4.3.10.0000.0236.84
4.3.00.0030.0376.84

preferences:
45.71 ms | 401 KiB | 5 Q