3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = explode('@', $str)[$n];

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)
8.3.40.0070.00718.86
8.3.30.0090.00620.04
8.3.20.0040.00420.23
8.3.10.0080.00822.10
8.3.00.0070.00022.49
8.2.170.0100.00722.96
8.2.160.0060.00920.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.77
8.2.110.0030.00622.19
8.2.100.0070.00419.25
8.2.90.0070.00019.16
8.2.80.0040.00419.03
8.2.70.0050.00317.63
8.2.60.0040.00417.80
8.2.50.0030.00518.07
8.2.40.0040.00418.22
8.2.30.0030.00318.05
8.2.20.0000.00817.60
8.2.10.0040.00417.85
8.2.00.0040.00417.75
8.1.270.0000.00824.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.77
8.1.230.0070.00419.00
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.11
8.1.190.0000.00817.28
8.1.180.0060.00320.12
8.1.170.0000.00818.58
8.1.160.0000.00722.07
8.1.150.0000.00818.46
8.1.140.0040.00417.37
8.1.130.0070.00017.82
8.1.120.0050.00217.44
8.1.110.0030.00517.29
8.1.100.0000.00717.28
8.1.90.0040.00417.29
8.1.80.0030.00317.25
8.1.70.0000.00717.39
8.1.60.0060.00317.43
8.1.50.0000.00817.48
8.1.40.0070.00317.30
8.1.30.0040.00417.41
8.1.20.0000.00817.45
8.1.10.0070.00017.51
8.1.00.0020.00517.42
8.0.300.0000.00818.77
8.0.290.0040.00417.05
8.0.280.0000.00818.25
8.0.270.0040.00417.17
8.0.260.0030.00316.86
8.0.250.0040.00416.86
8.0.240.0000.00816.91
8.0.230.0030.00316.96
8.0.220.0070.00016.74
8.0.210.0070.00016.80
8.0.200.0000.00716.93
8.0.190.0080.00016.95
8.0.180.0070.00016.81
8.0.170.0000.00716.95
8.0.160.0030.00316.92
8.0.150.0030.00616.74
8.0.140.0040.00416.75
8.0.130.0000.00613.24
8.0.120.0000.00816.72
8.0.110.0070.00016.86
8.0.100.0000.00716.95
8.0.90.0040.00416.90
8.0.80.0060.00916.84
8.0.70.0000.00716.88
8.0.60.0050.00316.85
8.0.50.0000.00816.90
8.0.30.0120.00616.88
8.0.20.0110.01117.40
8.0.10.0040.00416.89
8.0.00.0120.00616.71
7.4.330.0050.00015.00
7.4.320.0030.00316.57
7.4.300.0000.00616.53
7.4.290.0000.00616.35
7.4.280.0000.00716.52
7.4.270.0070.00016.45
7.4.260.0030.00316.48
7.4.250.0040.00316.54
7.4.240.0050.00216.46
7.4.230.0030.00316.18
7.4.220.0030.01616.43
7.4.210.0100.00816.43
7.4.200.0030.00316.52
7.4.190.0000.00716.67
7.4.160.0060.00916.58
7.4.150.0100.00717.40
7.4.140.0050.01317.86
7.4.130.0050.01216.49
7.4.120.0120.00616.29
7.4.110.0100.01416.33
7.4.100.0110.00616.68
7.4.90.0130.00816.54
7.4.80.0070.01119.39
7.4.70.0110.00716.61
7.4.60.0140.01116.44
7.4.50.0020.00216.44
7.4.40.0070.01022.77
7.4.30.0060.01016.58
7.4.00.0110.00414.90
7.3.330.0030.00313.18
7.3.320.0030.00313.09
7.3.310.0030.00316.18
7.3.300.0040.00416.28
7.3.290.0100.00316.31
7.3.280.0070.00816.34
7.3.270.0170.00717.40
7.3.260.0140.00416.47
7.3.250.0120.00516.28
7.3.240.0100.00616.27
7.3.230.0100.01316.39
7.3.210.0190.00416.37
7.3.200.0060.01219.39
7.3.190.0060.01516.23
7.3.180.0140.00316.11
7.3.170.0060.01316.27
7.3.160.0040.01516.47
7.3.120.0100.00714.89
7.3.110.0070.01114.96
7.3.100.0100.00614.63
7.3.90.0060.00314.84
7.3.80.0000.01415.08
7.3.70.0030.01514.56
7.3.60.0100.00614.48
7.3.50.0040.00814.57
7.3.40.0090.00014.75
7.3.30.0100.00314.84
7.3.20.0120.00316.43
7.3.10.0060.00616.43
7.3.00.0060.00616.39
7.2.330.0070.01016.70
7.2.320.0120.00416.64
7.2.310.0120.00616.31
7.2.300.0110.00616.64
7.2.290.0130.00916.32
7.2.250.0030.01315.10
7.2.240.0070.01114.90
7.2.230.0030.01314.94
7.2.220.0030.01014.74
7.2.210.0140.00315.09
7.2.200.0070.00715.11
7.2.190.0060.00714.82
7.2.180.0090.00614.71
7.2.170.0130.00314.84
7.2.00.0040.01119.44
7.1.330.0040.01215.92
7.1.320.0060.00615.86
7.1.310.0100.00715.49
7.1.300.0030.00915.54
7.1.290.0060.00315.79
7.1.280.0070.00715.79
7.1.270.0070.00715.86
7.1.260.0000.00815.55
7.1.100.0000.00918.16
7.1.70.0000.00817.28
7.1.60.0100.01319.29
7.1.50.0140.01016.96
7.1.00.0100.05322.37
7.0.200.0150.00314.69
7.0.140.0030.07321.95
7.0.60.0030.04320.08
7.0.50.0070.05717.89
7.0.40.0130.05320.05
7.0.30.0400.09720.17
7.0.20.0200.08020.09
7.0.10.0130.06020.25
7.0.00.0170.06720.29
5.6.280.0030.07321.10
5.6.210.0130.04020.55
5.6.200.0070.08018.19
5.6.190.0100.04020.33
5.6.180.0300.07720.61
5.6.170.0270.07320.49
5.6.160.0100.06020.46
5.6.150.0000.07718.22
5.6.140.0130.06318.18
5.6.130.0130.07318.21
5.6.120.0030.04720.99
5.6.110.0000.04320.98
5.6.100.0170.07721.00
5.6.90.0070.04020.99
5.6.80.0130.08020.40
5.6.70.0300.07320.52
5.5.350.0200.03320.42
5.5.340.0030.05317.89
5.5.330.0070.09320.21
5.5.320.0230.07720.27
5.5.310.0200.03720.19
5.5.300.0170.07017.98
5.5.290.0100.05717.93
5.5.280.0130.08020.77
5.5.270.0100.07720.79
5.5.260.0100.08320.67
5.5.250.0170.07020.68
5.5.240.0100.04320.28
5.4.450.0830.06319.52
5.4.440.0770.05719.64
5.4.430.0600.06319.63
5.4.420.0870.04319.60
5.4.410.0630.05319.32
5.4.400.0570.06318.78
5.4.390.0570.04718.71
5.4.380.0070.07018.40
5.4.370.0100.05718.56
5.4.360.0300.04318.73
5.4.350.0070.03411.97
5.4.340.0030.04011.97
5.4.320.0080.03812.45
5.4.310.0110.03612.45
5.4.300.0080.03912.45
5.4.290.0050.04512.45
5.4.280.0090.03512.34
5.4.270.0090.03712.34
5.4.260.0080.03712.34
5.4.250.0070.05319.00
5.4.240.0100.05018.85
5.4.230.0070.05318.85
5.4.220.0130.06018.71
5.4.210.0070.07318.76
5.4.200.0130.04318.84
5.4.190.0130.05018.61
5.4.180.0100.05318.77
5.4.170.0100.05318.95
5.4.160.0170.05718.87
5.4.150.0030.08718.70
5.4.140.0200.04316.46
5.4.130.0070.05016.49
5.4.120.0070.05016.48
5.4.110.0070.06716.26
5.4.100.0070.05016.32
5.4.90.0070.07016.49
5.4.80.0070.05016.19
5.4.70.0170.03716.45
5.4.60.0070.05716.45
5.4.50.0070.05016.20
5.4.40.0070.06716.25
5.4.30.0100.04716.34
5.4.20.0130.06716.32
5.4.10.0100.05716.39
5.4.00.0100.04315.71
5.3.290.0090.04512.80
5.3.280.0070.05014.50
5.3.270.0000.07014.30
5.3.260.0070.05714.64
5.3.250.0170.05314.63
5.3.240.0070.07314.46
5.3.230.0070.06714.45
5.3.220.0030.05314.63
5.3.210.0100.05714.42
5.3.200.0030.05014.58
5.3.190.0070.05314.57
5.3.180.0030.05314.57
5.3.170.0130.04314.57
5.3.160.0030.05314.43
5.3.150.0130.05314.42
5.3.140.0130.04314.55
5.3.130.0100.05014.70
5.3.120.0030.05714.46
5.3.110.0100.04714.41
5.3.100.0270.03313.74
5.3.90.0000.07713.86
5.3.80.0100.06713.79
5.3.70.0070.05713.96
5.3.60.0030.05013.84
5.3.50.0030.05313.94
5.3.40.0200.03713.96
5.3.30.0100.04013.74
5.3.20.0070.04713.46
5.3.10.0070.06713.54
5.3.00.0070.04713.53
5.2.170.0000.04711.25
5.2.160.0000.04311.23
5.2.150.0170.03011.15
5.2.140.0070.04010.97
5.2.130.0030.04711.21
5.2.120.0070.04011.00
5.2.110.0130.03711.02
5.2.100.0030.03711.02
5.2.90.0030.04311.01
5.2.80.0070.04711.19
5.2.70.0070.05711.09
5.2.60.0070.04011.05
5.2.50.0170.03011.04
5.2.40.0070.03710.76
5.2.30.0170.03011.12
5.2.20.0000.04310.98
5.2.10.0070.03710.62
5.2.00.0070.03710.61
5.1.60.0100.0279.96
5.1.50.0030.03310.19
5.1.40.0100.02710.21
5.1.30.0000.04010.33
5.1.20.0100.03010.43
5.1.10.0070.03010.09
5.1.00.0030.0379.97
5.0.50.0070.0338.78
5.0.40.0030.0278.32
5.0.30.0030.0478.14
5.0.20.0070.0238.27
5.0.10.0000.0308.14
5.0.00.0070.0478.21
4.4.90.0000.0236.26
4.4.80.0030.0206.26
4.4.70.0000.0236.26
4.4.60.0000.0236.26
4.4.50.0030.0206.26
4.4.40.0030.0306.54
4.4.30.0000.0236.54
4.4.20.0070.0176.54
4.4.10.0030.0206.54
4.4.00.0030.0406.54
4.3.110.0070.0206.54
4.3.100.0030.0206.54
4.3.90.0000.0306.54
4.3.80.0030.0336.54
4.3.70.0100.0106.54
4.3.60.0030.0206.54
4.3.50.0000.0236.54
4.3.40.0000.0376.54
4.3.30.0000.0236.54
4.3.20.0070.0176.54
4.3.10.0000.0236.54
4.3.00.0030.0206.71

preferences:
48.52 ms | 400 KiB | 5 Q