3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("¹²³¼½¬{[]}`~][þ@·",3,2);

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)
8.3.40.0140.00318.62
8.3.30.0130.00318.97
8.3.20.0100.00320.04
8.3.10.0070.00023.53
8.3.00.0060.00319.21
8.2.170.0090.00922.96
8.2.160.0130.00020.49
8.2.150.0020.00524.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0070.00319.16
8.2.110.0040.00420.39
8.2.100.0040.00717.97
8.2.90.0080.00319.05
8.2.80.0000.00817.97
8.2.70.0030.00717.50
8.2.60.0040.00417.91
8.2.50.0090.00018.07
8.2.40.0050.00318.09
8.2.30.0030.00519.48
8.2.20.0040.00417.48
8.2.10.0000.00717.96
8.2.00.0030.00617.55
8.1.270.0040.00423.82
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0000.01023.93
8.1.230.0080.00419.02
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0060.00617.22
8.1.190.0060.00316.97
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0040.00421.81
8.1.150.0040.00418.66
8.1.140.0040.00417.36
8.1.130.0030.00317.81
8.1.120.0040.00417.36
8.1.110.0000.00817.31
8.1.100.0040.00417.33
8.1.90.0040.00417.23
8.1.80.0040.00417.34
8.1.70.0030.00317.28
8.1.60.0060.00317.45
8.1.50.0030.00517.25
8.1.40.0080.00017.32
8.1.30.0040.00417.41
8.1.20.0070.00017.44
8.1.10.0000.00817.44
8.1.00.0000.00717.28
8.0.300.0080.00018.77
8.0.290.0000.00716.63
8.0.280.0050.00318.44
8.0.270.0050.00317.26
8.0.260.0000.00717.19
8.0.250.0030.00316.87
8.0.240.0040.00416.88
8.0.230.0030.00316.69
8.0.220.0050.00316.79
8.0.210.0030.00316.74
8.0.200.0040.00416.79
8.0.190.0050.00216.84
8.0.180.0040.00416.77
8.0.170.0080.00016.79
8.0.160.0070.00016.62
8.0.150.0050.00316.73
8.0.140.0040.00416.75
8.0.130.0080.00013.20
8.0.120.0050.00316.60
8.0.110.0070.00016.68
8.0.100.0030.00516.86
8.0.90.0000.00816.81
8.0.80.0100.00716.64
8.0.70.0030.00516.82
8.0.60.0040.00416.75
8.0.50.0050.00216.57
8.0.30.0060.01716.92
8.0.20.0080.01217.40
8.0.10.0030.00516.88
8.0.00.0150.00216.88
7.4.330.0020.00215.00
7.4.320.0030.00316.35
7.4.300.0030.00316.45
7.4.290.0000.00616.46
7.4.280.0040.00416.43
7.4.270.0000.00716.32
7.4.260.0070.00316.36
7.4.250.0050.00216.34
7.4.240.0070.00016.40
7.4.230.0000.00616.53
7.4.220.0180.00016.48
7.4.210.0100.00316.31
7.4.200.0030.00316.49
7.4.160.0070.01016.23
7.4.150.0120.00617.40
7.4.140.0110.00917.86
7.4.130.0080.00816.44
7.4.120.0130.00316.37
7.4.110.0100.00716.41
7.4.100.0130.01016.46
7.4.90.0100.00716.38
7.4.80.0100.00719.39
7.4.70.0110.00816.49
7.4.60.0110.00516.24
7.4.50.0080.00016.29
7.4.40.0130.00316.17
7.4.30.0060.00916.25
7.4.00.0070.00714.82
7.3.330.0020.00212.96
7.3.320.0030.00312.86
7.3.310.0000.00716.19
7.3.300.0030.00316.02
7.3.290.0090.00916.14
7.3.280.0090.00816.14
7.3.270.0140.00817.40
7.3.260.0070.01016.40
7.3.250.0060.01116.21
7.3.240.0040.01316.53
7.3.230.0070.01016.39
7.3.210.0000.01816.41
7.3.200.0150.00919.39
7.3.190.0150.00016.38
7.3.180.0090.00916.34
7.3.170.0030.01316.41
7.3.160.0040.01116.20
7.3.120.0100.00614.89
7.3.110.0090.00614.62
7.3.100.0100.00314.70
7.3.90.0070.00314.97
7.3.80.0040.00814.85
7.3.70.0030.01414.61
7.3.60.0030.01314.65
7.3.50.0030.01214.84
7.3.40.0070.00714.58
7.3.30.0040.01114.64
7.3.20.0070.00716.62
7.3.10.0060.00716.58
7.3.00.0050.00816.47
7.2.330.0120.00916.39
7.2.320.0090.00916.54
7.2.310.0060.01016.54
7.2.300.0170.00316.38
7.2.290.0110.00516.62
7.2.240.0060.00614.61
7.2.230.0070.00714.64
7.2.220.0030.01315.09
7.2.210.0000.01514.86
7.2.200.0030.01014.67
7.2.190.0150.00314.83
7.2.180.0060.00614.93
7.2.170.0060.01014.72
7.2.160.0070.00714.98
7.2.150.0110.00416.49
7.2.140.0070.01016.82
7.2.130.0060.00816.80
7.2.120.0090.00516.70
7.2.110.0060.00816.62
7.2.100.0060.00616.79
7.2.90.0070.00516.75
7.2.80.0020.01316.69
7.2.70.0070.00716.81
7.2.60.0060.00416.64
7.2.50.0030.01116.79
7.2.40.0050.01116.53
7.2.30.0120.00316.86
7.2.20.0060.00916.62
7.2.10.0030.01116.71
7.2.00.0040.00917.64
7.1.330.0070.00715.67
7.1.320.0090.00315.48
7.1.310.0090.00615.89
7.1.300.0030.00715.59
7.1.290.0000.01415.73
7.1.280.0060.00615.62
7.1.270.0030.00815.42
7.1.260.0060.00915.74
7.1.250.0030.00815.51
7.1.200.0240.01015.21
7.1.100.0250.00317.48
7.1.70.0070.00317.13
7.1.60.0100.00719.46
7.1.50.0120.00916.54
7.1.00.0070.07322.36
7.0.200.0040.01114.76
7.0.140.0030.07021.92
7.0.60.0100.07720.03
7.0.50.0030.04317.83
7.0.40.0100.07720.05
7.0.30.0300.04320.13
7.0.20.0270.08019.99
7.0.10.0270.04020.20
7.0.00.0130.07719.99
5.6.280.0030.07320.98
5.6.210.0130.07320.56
5.6.200.0170.03718.09
5.6.190.0030.04720.35
5.6.180.0270.06020.34
5.6.170.0300.04020.33
5.6.160.0170.07320.48
5.6.150.0030.04718.16
5.6.140.0130.05018.21
5.6.130.0070.08718.22
5.6.120.0100.08020.98
5.6.110.0130.06721.00
5.6.100.0000.06021.00
5.6.90.0030.07721.07
5.6.80.0030.08020.50
5.6.70.0330.07020.51
5.5.350.0200.03320.39
5.5.340.0070.03717.96
5.5.330.0230.06720.40
5.5.320.0270.03320.32
5.5.310.0230.05320.13
5.5.300.0000.04717.88
5.5.290.0030.07717.94
5.5.280.0070.07720.87
5.5.270.0070.04320.64
5.5.260.0030.04320.95
5.5.250.0070.08020.57
5.5.240.0000.04320.00
5.4.450.3800.04019.53
5.4.440.0030.06019.47
5.4.430.0530.03719.46
5.4.420.2370.04019.29
5.4.410.3970.04319.36
5.4.400.3900.03319.00
5.4.390.3800.03318.97
5.4.380.4000.04319.04
5.4.370.3600.03719.04
5.4.360.3930.04319.06
5.4.350.3470.03718.96
5.4.340.3570.04019.09
5.4.320.4270.03019.14
5.4.310.3830.03718.88
5.4.300.3900.03319.00
5.4.290.3900.03719.01
5.4.280.4330.05319.20
5.4.270.4830.04019.04
5.4.260.4030.03319.04
5.4.250.3870.03718.91
5.4.240.2970.04019.14
5.4.230.3830.04019.08
5.4.220.3700.04319.13
5.4.210.4030.03319.14
5.4.200.3670.03318.88
5.4.190.2970.04019.05
5.4.180.0630.03319.12
5.4.170.4070.04319.24
5.4.160.3830.04019.14
5.4.150.4130.04719.11
5.4.140.4200.03716.24
5.4.130.3830.03316.43
5.4.120.4030.02716.35
5.4.110.3300.03716.13
5.4.100.3300.03016.16
5.4.90.2630.04016.46
5.4.80.0000.06316.21
5.4.70.2400.03716.37
5.4.60.3970.03716.47
5.4.50.3470.03716.47
5.4.40.3330.04016.37
5.4.30.3930.04016.34
5.4.20.3070.03316.36
5.4.10.4100.02716.32
5.4.00.4030.03015.87
5.3.290.3830.04014.45
5.3.280.2970.03314.68
5.3.270.3530.03714.54
5.3.260.4130.04714.48
5.3.250.4100.03314.54
5.3.240.3900.04314.52
5.3.230.3930.04014.53
5.3.220.4170.03314.51
5.3.210.3900.04014.50
5.3.200.3470.02714.35
5.3.190.0070.07714.47
5.3.180.0100.04314.35
5.3.170.1930.05014.35
5.3.160.4030.04014.50
5.3.150.3370.03014.51
5.3.140.3800.03714.48
5.3.130.3730.03314.52
5.3.120.3470.03714.42
5.3.110.3530.03314.46
5.3.100.4470.04313.94
5.3.90.3930.03314.03
5.3.80.4030.02713.94
5.3.70.3230.03313.95
5.3.60.1100.03013.83
5.3.50.0100.03313.90
5.3.40.3230.04013.73
5.3.30.2030.03013.71
5.3.20.2970.04313.48
5.3.10.3500.03713.58
5.3.00.3070.04013.59
5.2.170.0100.03011.07
5.2.160.0070.06311.07
5.2.150.2930.02711.08
5.2.140.1330.03011.13
5.2.130.3230.02711.00
5.2.120.3100.02710.95
5.2.110.2800.02310.91
5.2.100.2400.03011.25
5.2.90.1300.03010.98
5.2.80.2270.02011.07
5.2.70.2400.03010.98
5.2.60.2170.02710.97
5.2.50.2030.02710.98
5.2.40.1830.03010.92
5.2.30.1730.03310.97
5.2.20.1630.03010.91
5.2.10.0170.05711.00
5.2.00.0100.04010.70
5.1.60.0100.0479.83
5.1.50.1500.0239.96
5.1.40.2970.0239.95
5.1.30.2230.02010.32
5.1.20.2270.02710.36
5.1.10.2370.02310.02
5.1.00.1970.04310.21
5.0.50.1330.0178.53
5.0.40.1730.0208.39
5.0.30.2200.0308.20
5.0.20.1070.0278.17
5.0.10.1670.0238.21
5.0.00.1630.0378.10
4.4.90.1130.0206.31
4.4.80.0830.0136.31
4.4.70.1270.0206.31
4.4.60.0030.0206.31
4.4.50.0070.0376.31
4.4.40.0030.0406.31
4.4.30.0800.0176.31
4.4.20.1570.0176.31
4.4.10.0970.0276.31
4.4.00.1200.0306.31
4.3.110.1300.0176.31
4.3.100.1470.0176.31
4.3.90.1130.0136.31
4.3.80.0930.0306.31
4.3.70.1570.0136.31
4.3.60.1100.0206.31
4.3.50.1100.0136.31
4.3.40.0670.0206.31
4.3.30.0730.0236.31
4.3.20.0770.0206.31
4.3.10.0730.0276.31
4.3.00.0470.0206.31

preferences:
43.67 ms | 400 KiB | 5 Q