3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n='سیب'; echo $n[1]; //echo 'سیب'[1];

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)
8.3.40.0090.00618.84
8.3.30.0070.00718.95
8.3.20.0070.00020.21
8.3.10.0000.00721.95
8.3.00.0040.00422.44
8.2.170.0100.01022.96
8.2.160.0100.00321.02
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0080.00019.36
8.2.110.0090.00019.31
8.2.100.0000.01118.34
8.2.90.0030.00519.30
8.2.80.0040.00417.97
8.2.70.0080.00017.75
8.2.60.0040.00418.05
8.2.50.0060.00318.14
8.2.40.0040.00420.42
8.2.30.0080.00021.00
8.2.20.0080.00017.82
8.2.10.0050.00217.67
8.2.00.0040.00417.72
8.1.270.0030.00623.82
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0000.00919.21
8.1.230.0090.00320.27
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0030.00518.71
8.1.160.0070.00018.71
8.1.150.0030.00519.98
8.1.140.0040.00417.42
8.1.130.0030.00517.68
8.1.120.0020.00517.38
8.1.110.0030.00517.28
8.1.100.0040.00417.40
8.1.90.0030.00517.25
8.1.80.0000.00817.40
8.1.70.0030.00317.38
8.1.60.0040.00817.56
8.1.50.0040.00417.34
8.1.40.0050.00217.52
8.1.30.0040.00417.40
8.1.20.0000.00817.60
8.1.10.0070.00017.58
8.1.00.0000.00817.44
8.0.300.0090.00019.06
8.0.290.0040.00416.63
8.0.280.0070.00018.43
8.0.270.0000.00717.12
8.0.260.0080.00016.79
8.0.250.0070.00016.86
8.0.240.0000.00716.99
8.0.230.0030.00316.92
8.0.220.0000.00716.81
8.0.210.0070.00016.71
8.0.200.0060.00016.86
8.0.190.0070.00016.87
8.0.180.0000.00816.83
8.0.170.0030.00616.91
8.0.160.0040.00416.81
8.0.150.0000.00816.78
8.0.140.0000.00716.79
8.0.130.0030.00313.21
8.0.120.0050.00316.82
8.0.110.0000.00816.85
8.0.100.0050.00216.68
8.0.90.0070.00016.91
8.0.80.0110.00416.85
8.0.70.0040.00416.89
8.0.60.0000.00716.65
8.0.50.0050.00316.85
8.0.30.0110.00916.96
8.0.20.0080.00917.40
8.0.10.0000.00716.78
8.0.00.0060.01216.65
7.4.330.0000.00615.00
7.4.320.0060.00016.34
7.4.300.0030.00316.52
7.4.290.0040.00416.37
7.4.280.0040.00416.43
7.4.270.0030.00316.54
7.4.260.0030.00316.49
7.4.250.0000.00716.50
7.4.240.0020.00516.42
7.4.230.0040.00416.52
7.4.220.0060.01216.52
7.4.210.0070.01016.50
7.4.200.0030.00316.41
7.4.190.0000.00716.66
7.4.160.0130.00316.23
7.4.150.0160.00617.40
7.4.140.0090.00917.86
7.4.130.0100.00716.42
7.4.120.0090.00816.48
7.4.110.0030.01416.25
7.4.100.0100.01316.51
7.4.90.0130.01016.64
7.4.80.0110.00716.72
7.4.70.0100.00716.39
7.4.60.0160.00016.34
7.4.50.0000.00816.46
7.4.40.0030.01322.77
7.4.30.0000.02316.57
7.4.00.0050.00814.93
7.3.330.0050.00013.05
7.3.320.0030.00312.92
7.3.310.0030.00316.29
7.3.300.0030.00316.29
7.3.290.0000.01516.16
7.3.280.0110.00816.20
7.3.270.0080.00817.40
7.3.260.0100.01016.34
7.3.250.0080.01016.35
7.3.240.0100.00616.54
7.3.230.0120.00416.52
7.3.210.0030.02016.43
7.3.200.0150.00719.39
7.3.190.0090.00916.20
7.3.180.0110.00816.63
7.3.170.0100.00716.46
7.3.160.0170.00416.29
7.3.120.0090.00314.76
7.2.330.0090.01016.56
7.2.320.0090.00916.36
7.2.310.0040.01416.37
7.2.300.0060.01016.70
7.2.290.0030.01316.64
7.2.00.0060.00619.34
7.1.200.0040.01115.68
7.1.100.0060.00918.01
7.1.70.0030.01017.12
7.1.60.0100.01419.82
7.1.50.0000.01216.77
7.1.00.0000.07722.37
7.0.200.0040.00416.77
7.0.140.0030.07322.01
7.0.70.0000.04321.70
7.0.60.0000.04021.73
7.0.50.0100.03322.07
7.0.40.0000.04720.00
7.0.30.0030.04020.18
7.0.20.0000.04320.08
7.0.10.0000.04019.94
7.0.00.0000.04320.07
5.6.280.0030.07320.88
5.6.220.0000.04320.64
5.6.210.0030.04020.73
5.6.200.0070.03320.92
5.6.190.0030.04721.13
5.6.180.0000.04021.04
5.6.170.0000.04321.01
5.6.160.0000.04021.13
5.6.150.0000.04320.95
5.6.140.0000.04321.01
5.6.130.0030.04021.09
5.6.120.0030.04321.12
5.6.110.0030.06021.00
5.6.100.0070.04021.08
5.6.90.0070.04021.00
5.6.80.0070.07720.41
5.6.70.0100.05320.41
5.6.60.0000.05720.25
5.6.50.0030.07720.41
5.6.40.0070.08020.45
5.6.30.0070.06720.47
5.6.20.0070.06020.39
5.6.10.0070.07020.38
5.6.00.0030.06320.38
5.5.360.0000.04720.40
5.5.350.0000.04320.32
5.5.340.0100.03020.79
5.5.330.0030.03720.92
5.5.320.0000.04320.83
5.5.310.0000.04320.79
5.5.300.0100.07320.91
5.5.290.0100.08020.84
5.5.280.0000.04320.63
5.5.270.0030.08020.86
5.5.260.0130.06320.87
5.5.250.0030.04020.59
5.5.240.0130.07320.18
5.5.230.0070.03720.20
5.5.220.0070.07720.14
5.5.210.0070.06720.17
5.5.200.0100.03720.25
5.5.190.0070.07320.27
5.5.180.0070.07320.24
5.5.160.0000.05019.98
5.5.150.0100.06720.07
5.5.140.0130.06720.25
5.5.130.0070.06020.23
5.5.120.0030.05720.20
5.5.110.0030.04719.97
5.5.100.0130.07020.07
5.5.90.0070.04020.05
5.5.80.0070.08019.93
5.5.70.0030.07020.15
5.5.60.0070.05019.93
5.5.50.0170.07319.95
5.5.40.0070.06720.11
5.5.30.0100.07720.14
5.5.20.0030.06019.91
5.5.10.0030.06719.93
5.5.00.0000.05319.95
5.4.450.0000.05719.48
5.4.440.0000.08719.37
5.4.430.0070.06719.38
5.4.420.0030.05319.45
5.4.410.0000.04019.14
5.4.400.0030.06318.79
5.4.390.0030.07719.06
5.4.380.0030.03718.98
5.4.370.0070.07318.79
5.4.360.0030.05319.13
5.4.350.0070.05019.04
5.4.340.0070.07018.90
5.4.320.0070.07018.79
5.4.310.0070.05018.81
5.4.300.0070.07718.98
5.4.290.0030.07718.82
5.4.280.0100.05718.94
5.4.270.0070.04718.90
5.4.260.0070.06018.90
5.4.250.0030.05019.02
5.4.240.0170.06319.09
5.4.230.0030.07019.22
5.4.220.0070.06718.80
5.4.210.0030.07718.95
5.4.200.0170.05319.05
5.4.190.0030.06318.97
5.4.180.0130.06718.77
5.4.170.0070.05319.05
5.4.160.0030.05019.01
5.4.150.0070.07719.10
5.4.140.0100.05316.28
5.4.130.0070.06716.36
5.4.120.0100.07316.37
5.4.110.0030.07016.26
5.4.100.0070.03316.53
5.4.90.0000.05016.34
5.4.80.0070.07316.22
5.4.70.0000.07316.22
5.4.60.0030.04016.18
5.4.50.0070.07016.23
5.4.40.0070.05316.29
5.4.30.0030.07316.42
5.4.20.0070.03016.28
5.4.10.0030.07316.41
5.4.00.0070.05715.81
5.3.290.0030.07314.60
5.3.280.0030.07314.55
5.3.270.0070.07314.46
5.3.260.0130.05314.42
5.3.250.0100.05014.59
5.3.240.0070.05014.43
5.3.230.0030.07014.45
5.3.220.0030.05014.54
5.3.210.0070.07014.47
5.3.200.0030.06014.41
5.3.190.0030.04314.38
5.3.180.0100.07714.49
5.3.170.0000.08314.41
5.3.160.0030.03714.54
5.3.150.0030.04314.51
5.3.140.0000.08014.52
5.3.130.0000.05714.50
5.3.120.0030.05314.53
5.3.110.0030.03714.54
5.3.100.0030.07714.03
5.3.90.0070.06313.88
5.3.80.0030.07013.87
5.3.70.0070.06313.87
5.3.60.0000.07713.86
5.3.50.0030.07713.80
5.3.40.0000.04713.79
5.3.30.0000.06013.88
5.3.20.0000.04013.59
5.3.10.0000.07313.51
5.3.00.0030.05313.63
5.2.170.0070.05712.20
5.2.160.0030.03712.20
5.2.150.0030.06012.20
5.2.140.0000.05012.20
5.2.130.0030.05712.20
5.2.120.0070.04712.20
5.2.110.0070.04312.20
5.2.100.0000.06012.20
5.2.90.0070.05712.20
5.2.80.0100.04712.20
5.2.70.0070.05712.20
5.2.60.0030.06012.20
5.2.50.0000.05312.20
5.2.40.0130.05312.20
5.2.30.0000.06712.20
5.2.20.0030.04012.20
5.2.10.0000.03712.20
5.2.00.0030.06012.20
5.1.60.0000.04012.20
5.1.50.0030.05312.20
5.1.40.0000.03312.20
5.1.30.0030.03012.20
5.1.20.0070.03712.20
5.1.10.0000.06012.20
5.1.00.0000.04712.20
5.0.50.0100.03012.20
5.0.40.0030.04012.20
5.0.30.0070.06312.20
5.0.20.0070.03012.20
5.0.10.0000.03712.20
5.0.00.0070.06012.20
4.4.90.0000.03712.20
4.4.80.0100.02712.20
4.4.70.0030.02312.20
4.4.60.0030.02712.20
4.4.50.0000.02012.20
4.4.40.0000.05312.20
4.4.30.0000.02712.20
4.4.20.0000.02312.20
4.4.10.0000.03712.20
4.4.00.0070.05012.20
4.3.110.0000.03712.20
4.3.100.0000.03712.20
4.3.90.0000.03712.20
4.3.80.0030.05012.20
4.3.70.0030.02712.20
4.3.60.0000.03712.20
4.3.50.0000.03712.20
4.3.40.0000.05012.20
4.3.30.0000.02312.20
4.3.20.0000.02012.20
4.3.10.0000.04012.20
4.3.00.0000.02012.20

preferences:
50.99 ms | 400 KiB | 5 Q