3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "someval"; echo $str[-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)
8.3.60.0030.01218.18
8.3.50.0110.01122.11
8.3.40.0060.00918.79
8.3.30.0120.00318.89
8.3.20.0070.00020.13
8.3.10.0090.00620.66
8.3.00.0050.00223.59
8.2.180.0090.00625.92
8.2.170.0110.00622.96
8.2.160.0130.00022.08
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00421.14
8.2.120.0000.00926.35
8.2.110.0060.00321.18
8.2.100.0090.00318.16
8.2.90.0040.00419.34
8.2.80.0080.00017.97
8.2.70.0040.00417.75
8.2.60.0000.00818.05
8.2.50.0040.00418.09
8.2.40.0080.00020.32
8.2.30.0050.00219.54
8.2.20.0000.00817.73
8.2.10.0040.00417.98
8.2.00.0000.00717.97
8.1.280.0070.00725.92
8.1.270.0110.00721.98
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0050.00522.55
8.1.230.0080.00317.89
8.1.220.0000.00817.75
8.1.210.0040.00418.77
8.1.200.0060.00317.36
8.1.190.0030.00517.10
8.1.180.0000.00718.10
8.1.170.0040.00818.66
8.1.160.0000.00720.73
8.1.150.0000.00718.76
8.1.140.0040.00419.41
8.1.130.0030.00517.70
8.1.120.0040.00417.37
8.1.110.0020.00517.43
8.1.100.0040.00417.28
8.1.90.0040.00417.41
8.1.80.0000.00717.39
8.1.70.0070.00017.38
8.1.60.0030.00617.39
8.1.50.0000.00817.46
8.1.40.0030.00617.44
8.1.30.0000.00817.48
8.1.20.0000.00717.47
8.1.10.0000.00717.61
8.1.00.0040.00417.55
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0070.00018.48
8.0.270.0000.00717.29
8.0.260.0000.00617.24
8.0.250.0030.00316.97
8.0.240.0030.00316.78
8.0.230.0020.00516.82
8.0.220.0030.00516.71
8.0.210.0070.00016.78
8.0.200.0040.00416.94
8.0.190.0040.00416.77
8.0.180.0030.00316.75
8.0.170.0000.00716.75
8.0.160.0000.00816.93
8.0.150.0000.00716.78
8.0.140.0080.00016.79
8.0.130.0050.00013.33
8.0.120.0000.00816.68
8.0.110.0030.00516.71
8.0.100.0040.00416.77
8.0.90.0070.00016.84
8.0.80.0060.00816.73
8.0.70.0080.00016.81
8.0.60.0000.00716.88
8.0.50.0000.00716.87
8.0.30.0130.00817.08
8.0.20.0090.01217.40
8.0.10.0080.00016.76
8.0.00.0100.00816.77
7.4.330.0050.00016.69
7.4.320.0030.00316.29
7.4.300.0030.00316.44
7.4.290.0000.00716.39
7.4.280.0030.00316.43
7.4.270.0000.00716.46
7.4.260.0070.00016.43
7.4.250.0040.00416.43
7.4.240.0080.00016.52
7.4.230.0040.00416.26
7.4.220.0110.01416.61
7.4.210.0040.00916.59
7.4.200.0040.00416.25
7.4.160.0160.00016.32
7.4.150.0090.01217.40
7.4.140.0110.00817.86
7.4.130.0110.01116.54
7.4.120.0120.00816.59
7.4.110.0070.01416.42
7.4.100.0160.00716.36
7.4.90.0120.00616.70
7.4.80.0070.01319.39
7.4.70.0140.00216.41
7.4.60.0060.01316.29
7.4.50.0140.00016.44
7.4.40.0140.00416.48
7.4.30.0120.00416.39
7.4.00.0050.01214.66
7.3.330.0020.00213.11
7.3.320.0030.00313.06
7.3.310.0000.00716.26
7.3.300.0030.00316.10
7.3.290.0110.00716.19
7.3.280.0100.01016.20
7.3.270.0100.00717.40
7.3.260.0130.00316.16
7.3.250.0060.01216.22
7.3.240.0070.01116.28
7.3.230.0100.00716.39
7.3.210.0070.01016.59
7.3.200.0100.01016.16
7.3.190.0100.00716.38
7.3.180.0040.01216.21
7.3.170.0120.00616.45
7.3.160.0130.00316.44
7.3.10.0090.00616.29
7.3.00.0100.00716.71
7.2.330.0070.01016.46
7.2.320.0030.01316.62
7.2.310.0090.01316.57
7.2.300.0060.01116.54
7.2.290.0070.01316.49
7.2.130.0090.00616.66
7.2.120.0060.00616.76
7.2.110.0080.00816.79
7.2.100.0000.01416.73
7.2.90.0060.00616.83
7.2.80.0030.01016.96
7.2.70.0000.01117.01
7.2.60.0100.00716.85
7.2.50.0030.01016.80
7.2.40.0030.01216.86
7.2.30.0070.00316.71
7.2.20.0080.00416.97
7.2.10.0070.01116.84
7.2.00.0050.00818.16
7.1.250.0030.01015.94
7.1.240.0100.00015.76
7.1.230.0040.00815.46
7.1.220.0000.01015.91
7.1.210.0080.00315.78
7.1.200.0030.00815.68
7.1.190.0060.00615.90
7.1.180.0080.00815.48
7.1.170.0040.00415.75
7.1.160.0000.01015.46
7.1.150.0060.00915.83
7.1.140.0110.00315.87
7.1.130.0040.00715.73
7.1.120.0030.01015.71
7.1.110.0100.00315.80
7.1.100.0090.00516.90
7.1.90.0040.01115.93
7.1.80.0040.00715.93
7.1.70.0050.00516.50
7.1.60.0050.01517.59
7.1.50.0070.01016.37
7.1.40.0030.00615.78
7.1.30.0030.00615.73
7.1.20.0060.00615.40
7.1.10.0000.01415.62
7.1.00.0100.03719.01
7.0.330.0060.00615.26
7.0.320.0030.00615.24
7.0.310.0030.00615.36
7.0.300.0070.00315.30
7.0.290.0110.00415.32
7.0.280.0080.00615.38
7.0.270.0060.00915.34
7.0.260.0030.01315.54
7.0.250.0110.00415.39
7.0.240.0000.01715.13
7.0.230.0030.00915.36
7.0.220.0030.01015.45
7.0.210.0000.01315.44
7.0.200.1210.00515.21
7.0.190.0100.00315.20
7.0.180.0070.00715.51
7.0.170.0060.00915.25
7.0.160.0100.00315.35
7.0.150.0060.00615.21
7.0.140.0070.00715.20
7.0.130.0100.00315.05
7.0.120.0040.01115.55
7.0.110.0030.00715.42
7.0.100.0000.01315.48
7.0.90.0070.00715.31
7.0.80.0030.00615.32
7.0.70.0130.00315.19
7.0.60.0250.03217.70
7.0.50.0030.02416.53
7.0.40.0080.04616.71
7.0.30.0230.02516.65
7.0.20.0120.04616.68
7.0.10.0050.02616.91
7.0.00.0070.04116.95
5.6.380.0000.01214.17
5.6.370.0090.00313.85
5.6.360.0030.00914.51
5.6.350.0060.00914.17
5.6.340.0070.00314.21
5.6.330.0030.00914.16
5.6.320.0000.01614.16
5.6.310.0100.00013.93
5.6.300.0040.01114.44
5.6.290.0030.00614.46
5.6.280.0050.02017.66
5.6.270.0030.00614.25
5.6.260.0110.00314.56
5.6.250.0050.00514.03
5.6.240.0040.01114.26
5.6.230.0080.00614.32
5.6.220.0000.01414.16
5.6.210.0070.03017.32
5.6.200.0090.04416.08
5.6.190.0090.02717.40
5.6.180.0200.04217.36
5.6.170.0120.02517.55
5.6.160.0070.03017.32
5.6.150.0100.03516.11
5.6.140.0060.02516.19
5.6.130.0040.02416.24
5.6.120.0050.04517.57
5.6.110.0050.04517.73
5.6.100.0050.03717.57
5.6.90.0030.03517.76
5.6.80.0080.04317.30
5.6.70.0040.01114.27
5.6.60.0040.00414.27
5.6.50.0030.00714.16
5.6.40.0060.00914.07
5.6.30.0070.00314.11
5.6.20.0000.01314.29
5.6.10.0070.00314.43
5.6.00.0040.01114.16
5.5.380.0070.00311.00
5.5.370.0040.00811.00
5.5.360.0060.00311.05
5.5.350.0210.03315.72
5.5.340.0060.02114.49
5.5.330.0080.04315.57
5.5.320.0310.03815.83
5.5.310.0130.02315.64
5.5.300.0050.02314.50
5.5.290.0050.02714.50
5.5.280.0080.02615.96
5.5.270.0060.04715.81
5.5.260.0000.05115.83
5.5.250.0050.03315.86
5.5.240.0050.04215.66
5.5.230.0060.00011.00
5.5.220.0030.01011.04
5.5.210.0060.00611.00
5.5.200.0040.00411.07
5.5.190.0030.01011.00
5.5.180.0030.00711.00
5.5.170.0110.00011.00
5.5.160.0060.00611.00
5.5.150.0060.00011.00
5.5.140.0030.00611.10
5.5.130.0110.00011.00
5.5.120.0030.00311.04
5.5.110.0060.00611.00
5.5.100.0070.00411.00
5.5.90.0060.00611.06
5.5.80.0060.00611.00
5.5.70.0060.00611.05
5.5.60.0060.00611.13
5.5.50.0000.00611.00
5.5.40.0110.00011.00
5.5.30.0060.00311.00
5.5.20.0030.00711.00
5.5.10.0030.00911.04
5.5.00.0030.00611.00

preferences:
56.85 ms | 401 KiB | 5 Q