3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val="8M"; echo "la s".return_bytes("8M"); function return_bytes($val){ $val = trim($val); $last =str_split($val); echo $last[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)
8.3.60.0090.00918.43
8.3.50.0090.00921.93
8.3.40.0070.00718.71
8.3.30.0110.00319.09
8.3.20.0040.00420.39
8.3.10.0080.00023.48
8.3.00.0040.00420.77
8.2.180.0090.00616.50
8.2.170.0080.00819.14
8.2.160.0140.00022.96
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00420.72
8.2.110.0030.00622.25
8.2.100.0120.00017.91
8.2.90.0000.00818.03
8.2.80.0090.00317.97
8.2.70.0000.01017.63
8.2.60.0060.00617.68
8.2.50.0080.00418.07
8.2.40.0030.00620.07
8.2.30.0050.00218.22
8.2.20.0040.00417.81
8.2.10.0080.00018.11
8.2.00.0000.00717.74
8.1.280.0070.01025.92
8.1.270.0080.00023.87
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0070.00420.82
8.1.230.0080.00421.03
8.1.220.0000.00917.80
8.1.210.0000.00819.03
8.1.200.0050.00517.13
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0030.00618.46
8.1.160.0000.00721.86
8.1.150.0040.00418.49
8.1.140.0000.00717.45
8.1.130.0040.00417.87
8.1.120.0000.00717.29
8.1.110.0040.00417.36
8.1.100.0000.00717.29
8.1.90.0040.00417.27
8.1.80.0040.00417.34
8.1.70.0000.00817.38
8.1.60.0030.00517.47
8.1.50.0040.00417.51
8.1.40.0080.00017.48
8.1.30.0060.00317.63
8.1.20.0030.00617.67
8.1.10.0030.00517.48
8.1.00.0000.00717.38
8.0.300.0000.00719.98
8.0.290.0040.00416.59
8.0.280.0030.00318.48
8.0.270.0000.00717.16
8.0.260.0030.00317.17
8.0.250.0040.00416.89
8.0.240.0030.00316.82
8.0.230.0050.00316.97
8.0.220.0000.00716.91
8.0.210.0030.00316.93
8.0.200.0080.00016.88
8.0.190.0040.00416.94
8.0.180.0000.00816.93
8.0.170.0040.00416.95
8.0.160.0070.00016.87
8.0.150.0030.00316.79
8.0.140.0080.00016.84
8.0.130.0060.00313.29
8.0.120.0100.00016.83
8.0.110.0040.00416.77
8.0.100.0000.00716.75
8.0.90.0000.00716.85
8.0.80.0040.01116.77
8.0.70.0030.00516.80
8.0.60.0030.00316.62
8.0.50.0000.00816.70
8.0.30.0070.01116.86
8.0.20.0110.00917.40
8.0.10.0050.00316.96
8.0.00.0130.00616.67
7.4.330.0000.00515.05
7.4.320.0060.00016.54
7.4.300.0000.00716.40
7.4.290.0030.00316.59
7.4.280.0040.00416.48
7.4.270.0000.00716.52
7.4.260.0000.00816.40
7.4.250.0000.00716.38
7.4.240.0030.00416.53
7.4.230.0030.00316.60
7.4.220.0060.01216.50
7.4.210.0030.01116.52
7.4.200.0030.00316.34
7.4.160.0060.00916.62
7.4.150.0090.01217.40
7.4.140.0090.00917.86
7.4.130.0100.00716.37
7.4.120.0100.00716.41
7.4.110.0070.01016.51
7.4.100.0100.00716.52
7.4.90.0090.00616.52
7.4.80.0090.00919.39
7.4.70.0130.00316.48
7.4.60.0080.00816.48
7.4.50.0070.00016.29
7.4.40.0100.01016.34
7.4.30.0080.00816.47
7.4.10.0070.00714.79
7.4.00.0090.00715.00
7.3.330.0020.00213.31
7.3.320.0020.00213.24
7.3.310.0040.00416.32
7.3.300.0040.00416.18
7.3.290.0090.00616.17
7.3.280.0090.00716.24
7.3.270.0140.00417.40
7.3.260.0130.00416.44
7.3.250.0100.00816.45
7.3.240.0070.01016.32
7.3.230.0100.00716.39
7.3.210.0130.00716.30
7.3.200.0030.01419.39
7.3.190.0140.00316.48
7.3.180.0040.01116.61
7.3.170.0160.00016.49
7.3.160.0190.00016.28
7.3.130.0080.00814.74
7.3.120.0090.00914.84
7.3.110.0070.01214.75
7.3.100.0050.00714.71
7.3.90.0080.00914.73
7.3.80.0080.00614.70
7.3.70.0060.00414.41
7.3.60.0050.00714.61
7.3.50.0040.00714.83
7.3.40.0030.01014.62
7.3.30.0070.00714.54
7.3.20.0030.00916.68
7.3.10.0110.00116.63
7.3.00.0090.00316.67
7.2.330.0100.00716.73
7.2.320.0120.00916.76
7.2.310.0170.00016.43
7.2.300.0130.00316.68
7.2.290.0110.01116.89
7.2.260.0100.01014.85
7.2.250.0060.01315.06
7.2.240.0080.00814.88
7.2.230.0070.00515.02
7.2.220.0070.01115.02
7.2.210.0050.00615.16
7.2.200.0050.00714.87
7.2.190.0100.00514.90
7.2.180.0050.00715.07
7.2.170.0070.00815.04
7.2.160.0070.00514.83
7.2.150.0050.00816.95
7.2.140.0030.00916.86
7.2.130.0030.00916.77
7.2.120.0060.00916.86
7.2.110.0060.00816.94
7.2.100.0040.00916.92
7.2.90.0050.00916.85
7.2.80.0040.01116.77
7.2.70.0050.00716.95
7.2.60.0090.01016.87
7.2.50.0060.00816.96
7.2.40.0090.00516.75
7.2.30.0070.00816.96
7.2.20.0050.01017.06
7.2.10.0040.01016.71
7.2.00.0070.00717.74
7.1.330.0060.00815.75
7.1.320.0050.00715.78
7.1.310.0080.00515.80
7.1.300.0030.00915.79
7.1.290.0050.00615.79
7.1.280.0050.00815.82
7.1.270.0040.00715.78
7.1.260.0000.01115.45
7.1.250.0050.00515.64
7.1.240.0050.00915.80
7.1.230.0020.01315.80
7.1.220.0030.00615.64
7.1.210.0000.01515.77
7.1.200.0040.00715.74
7.1.190.0030.00715.64
7.1.180.0050.00715.76
7.1.170.0050.01015.74
7.1.160.0080.00415.77
7.1.150.0080.00615.58
7.1.140.0060.00615.70
7.1.130.0050.00915.82
7.1.120.0070.00515.81
7.1.110.0100.00215.78
7.1.100.0030.00816.49
7.1.90.0100.00315.82
7.1.80.0050.00515.73
7.1.70.0030.00915.98
7.1.60.0060.01117.01
7.1.50.0090.00716.27
7.1.40.0080.00315.78
7.1.30.0000.01215.51
7.1.20.0020.00615.61
7.1.10.0070.00715.67
7.1.00.0030.03117.88
7.0.330.0050.00515.21
7.0.320.0080.00215.43
7.0.310.0060.00815.44
7.0.300.0090.00615.36
7.0.290.0040.00515.47
7.0.280.0070.00715.36
7.0.270.0050.00915.27
7.0.260.0110.00215.23
7.0.250.0040.01015.27
7.0.240.0050.00715.22
7.0.230.0080.00515.26
7.0.220.0060.00515.38
7.0.210.0040.00815.39
7.0.200.0070.00315.83
7.0.190.0060.00815.41
7.0.180.0080.00415.29
7.0.170.0060.00615.36
7.0.160.0060.00615.35
7.0.150.0050.00515.37
7.0.140.0080.02417.59
7.0.130.0050.01015.36
7.0.120.0050.00915.29
7.0.110.0020.03317.58
7.0.100.0060.01817.55
7.0.90.0060.02917.56
7.0.80.0050.02217.39
7.0.70.0020.02617.40
7.0.60.0020.02117.49
7.0.50.0080.02217.53
7.0.40.0030.02915.53
7.0.30.0020.01815.45
7.0.20.0080.03015.53
7.0.10.0040.02915.52
7.0.00.0080.02515.48
5.6.400.0070.00614.42
5.6.390.0100.00314.35
5.6.380.0050.00914.54
5.6.370.0040.01014.41
5.6.360.0100.00314.48
5.6.350.0020.01014.50
5.6.340.0100.00414.39
5.6.330.0030.00814.43
5.6.320.0030.01214.55
5.6.310.0090.00514.41
5.6.300.0020.01214.05
5.6.290.0060.00214.34
5.6.280.0080.02916.53
5.6.270.0030.01414.34
5.6.260.0060.03116.35
5.6.250.0050.03116.41
5.6.240.0060.02816.41
5.6.230.0000.02516.43
5.6.220.0060.03116.46
5.6.210.0060.02116.47
5.6.200.0010.03216.44
5.6.190.0070.03016.36
5.6.180.0040.03016.41
5.6.170.0030.01816.51
5.6.160.0040.01816.35
5.6.150.0040.02816.56
5.6.140.0050.02816.48
5.6.130.0070.02916.38
5.6.120.0050.03116.16
5.6.110.0050.03016.21
5.6.100.0030.01616.31
5.6.90.0020.03016.25
5.6.80.0070.02716.20
5.6.70.0050.02816.19
5.6.60.0060.03016.20
5.6.50.0070.02816.06
5.6.40.0020.03215.85
5.6.30.0050.02716.30
5.6.20.0030.03216.12
5.6.10.0050.03115.97
5.6.00.0100.02816.13
5.5.380.0020.02315.40
5.5.370.0060.02115.47
5.5.360.0040.01915.29
5.5.350.0050.01715.35
5.5.340.0050.01715.60
5.5.330.0050.02215.77
5.5.320.0020.03015.38
5.5.310.0080.01415.55
5.5.300.0050.03315.33
5.5.290.0050.03115.59
5.5.280.0060.03315.51
5.5.270.0070.02915.50
5.5.260.0060.02815.53
5.5.250.0060.03115.43
5.5.240.0050.01515.15
5.5.230.0070.02515.35
5.5.220.0060.02715.13
5.5.210.0060.02815.33
5.5.200.0040.03115.26
5.5.190.0060.01715.10
5.5.180.0060.02915.23
5.5.170.0050.00614.07
5.5.160.0040.01715.20
5.5.150.0040.03115.18
5.5.140.0070.02615.15
5.5.130.0080.01815.25
5.5.120.0060.02315.38
5.5.110.0010.02215.39
5.5.100.0020.02215.42
5.5.90.0070.01415.15
5.5.80.0060.01915.12
5.5.70.0020.01715.24
5.5.60.0070.01415.12
5.5.50.0040.01915.11
5.5.40.0020.01815.40
5.5.30.0050.01815.20
5.5.20.0030.01915.29
5.5.10.0060.01415.25
5.5.00.0060.01815.08
5.4.450.0070.02713.80
5.4.440.0030.02613.95
5.4.430.0040.02813.81
5.4.420.0020.02613.85
5.4.410.0040.03013.89
5.4.400.0040.02613.70
5.4.390.0000.03313.82
5.4.380.0030.01413.84
5.4.370.0090.02313.75
5.4.360.0040.03013.71
5.4.350.0040.01513.75
5.4.340.0060.02713.58
5.4.330.0020.00711.07
5.4.320.0030.01813.70
5.4.310.0020.03013.71
5.4.300.0030.02713.79
5.4.290.0010.03713.91
5.4.280.0050.01713.85
5.4.270.0030.02113.88
5.4.260.0050.02713.80
5.4.250.0040.02013.82
5.4.240.0050.01713.61
5.4.230.0010.02213.79
5.4.220.0050.02613.59
5.4.210.0050.01713.58
5.4.200.0010.01813.60
5.4.190.0040.01713.75
5.4.180.0010.01613.83
5.4.170.0030.01513.65
5.4.160.0050.01513.90
5.4.150.0030.02113.78
5.4.140.0050.01412.80
5.4.130.0030.01512.86
5.4.120.0010.02212.97
5.4.110.0040.01812.92
5.4.100.0050.01912.87
5.4.90.0070.01212.95
5.4.80.0050.01512.77
5.4.70.0050.01412.88
5.4.60.0050.01412.80
5.4.50.0030.01612.86
5.4.40.0050.01412.93
5.4.30.0010.01712.84
5.4.20.0060.01412.83
5.4.10.0030.01612.79
5.4.00.0040.01512.64
5.3.290.0030.01911.98
5.3.280.0040.01411.82
5.3.270.0030.02011.96
5.3.260.0020.01511.93
5.3.250.0010.01711.96
5.3.240.0030.01711.80
5.3.230.0030.02011.88
5.3.220.0040.01311.75
5.3.210.0010.01811.88
5.3.200.0050.01711.75
5.3.190.0040.01511.88
5.3.180.0000.01711.90
5.3.170.0050.01511.91
5.3.160.0050.01411.83
5.3.150.0020.01411.97
5.3.140.0010.01611.89
5.3.130.0020.01811.84
5.3.120.0070.02311.81
5.3.110.0020.01811.87
5.3.100.0020.01811.72
5.3.90.0040.01811.69
5.3.80.0060.01311.66
5.3.70.0030.01411.60
5.3.60.0020.01811.70
5.3.50.0060.01711.70
5.3.40.0040.01411.72
5.3.30.0050.01311.71
5.3.20.0040.01311.60
5.3.10.0040.01211.43
5.3.00.0090.01111.57
5.2.170.0000.03011.88
5.2.160.0100.01711.88
5.2.150.0000.03011.88
5.2.140.0000.03711.88
5.2.130.0000.02711.88
5.2.120.0000.02711.88
5.2.110.0000.03011.88
5.2.100.0070.02011.88
5.2.90.0000.03011.88
5.2.80.0070.02711.88
5.2.70.0030.02711.88
5.2.60.0030.03011.88
5.2.50.0030.05311.88
5.2.40.0000.02711.88
5.2.30.0000.03011.88
5.2.20.0000.04011.88
5.2.10.0000.06311.88
5.2.00.0030.03311.88
5.1.60.0070.03711.88
5.1.50.0030.04711.88
5.1.40.0030.04711.88
5.1.30.0000.05311.88
5.1.20.0030.05311.88
5.1.10.0000.03011.88
5.1.00.0030.04711.88
5.0.50.0030.04311.88
5.0.40.0030.04311.88
5.0.30.0030.05311.88
5.0.20.0030.03711.88
5.0.10.0000.04011.88
5.0.00.0000.03711.88
4.4.90.0000.01711.88
4.4.80.0000.01311.88
4.4.70.0000.02011.88
4.4.60.0000.03311.88
4.4.50.0000.02311.88
4.4.40.0000.05011.88
4.4.30.0070.01311.88
4.4.20.0030.01711.88
4.4.10.0030.02311.88
4.4.00.0000.04311.88
4.3.110.0030.03311.88
4.3.100.0000.02311.88
4.3.90.0000.03011.88
4.3.80.0000.05011.88
4.3.70.0000.03311.88
4.3.60.0070.02711.88
4.3.50.0000.02311.88
4.3.40.0000.05311.88
4.3.30.0030.02711.88
4.3.20.0000.03711.88
4.3.10.0000.03311.88
4.3.00.0000.03311.88

preferences:
43.67 ms | 401 KiB | 5 Q