3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array('a'=>1); $count = 100000; while( $count -- ){ if( empty($a['b']) ) echo '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)
8.3.60.0700.00316.38
8.3.50.0710.00821.98
8.3.40.0580.01918.53
8.3.30.0560.01319.13
8.3.20.0270.01020.33
8.3.10.0280.00723.48
8.3.00.0400.00319.25
8.2.180.0590.02016.50
8.2.170.0650.01022.96
8.2.160.0670.00720.39
8.2.150.0310.00724.18
8.2.140.0250.00924.66
8.2.130.0340.00326.16
8.2.120.0350.00022.25
8.2.110.0410.00322.13
8.2.100.0390.01019.95
8.2.90.0170.00719.35
8.2.80.0120.01217.97
8.2.70.0240.00017.50
8.2.60.0130.00918.05
8.2.50.0100.01318.07
8.2.40.0170.00719.88
8.2.30.0140.01019.96
8.2.20.0070.02017.82
8.2.10.0110.01518.08
8.2.00.0170.01017.65
8.1.280.0500.02025.92
8.1.270.0290.01023.91
8.1.260.0330.00726.35
8.1.250.0330.00328.09
8.1.240.0360.01423.96
8.1.230.0360.02019.15
8.1.220.0210.00317.74
8.1.210.0160.00818.77
8.1.200.0200.00717.35
8.1.190.0130.01017.22
8.1.180.0200.01018.10
8.1.170.0130.01318.59
8.1.160.0100.01422.02
8.1.150.0220.00318.64
8.1.140.0160.01017.52
8.1.130.0140.01017.92
8.1.120.0170.00717.48
8.1.110.0170.00717.48
8.1.100.0090.01517.48
8.1.90.0220.00017.33
8.1.80.0210.00317.43
8.1.70.0140.01017.42
8.1.60.0100.01417.61
8.1.50.0150.00917.41
8.1.40.0210.00717.56
8.1.30.0130.01317.50
8.1.20.0220.00717.57
8.1.10.0100.01617.65
8.1.00.0240.00317.55
8.0.300.0190.00618.77
8.0.290.0140.01016.68
8.0.280.0110.01118.40
8.0.270.0210.00317.12
8.0.260.0190.00317.07
8.0.250.0130.01016.88
8.0.240.0230.00316.73
8.0.230.0160.00616.72
8.0.220.0210.00316.67
8.0.210.0160.00716.64
8.0.200.0210.00316.90
8.0.190.0170.00716.81
8.0.180.0150.00916.81
8.0.170.0150.01116.78
8.0.160.0150.00816.73
8.0.150.0180.00616.82
8.0.140.0140.01016.72
8.0.130.0110.01113.22
8.0.120.0210.00416.76
8.0.110.0170.01016.60
8.0.100.0120.01216.70
8.0.90.0150.00716.62
8.0.80.0410.04416.74
8.0.70.0160.01016.62
8.0.60.0180.00416.69
8.0.50.0180.00416.59
8.0.30.0990.04516.80
8.0.20.1100.04617.40
8.0.10.0250.00016.67
8.0.00.0970.05516.71
7.4.330.0210.00615.00
7.4.320.0170.00716.33
7.4.300.0130.01016.42
7.4.290.0200.00716.33
7.4.280.0100.01616.37
7.4.270.0180.00916.28
7.4.260.0190.00416.43
7.4.250.0140.01416.40
7.4.240.0140.01416.37
7.4.230.0120.00916.49
7.4.220.0530.04716.43
7.4.210.0440.04216.29
7.4.200.0140.00716.20
7.4.190.0160.01016.29
7.4.160.0700.06416.35
7.4.150.0840.05217.40
7.4.140.1090.05217.86
7.4.130.1100.04416.38
7.4.120.1000.05916.34
7.4.110.0810.04816.32
7.4.100.0800.07416.36
7.4.90.0980.02916.34
7.4.80.0940.06719.39
7.4.70.0770.04416.37
7.4.60.0550.05516.34
7.4.50.0230.01016.47
7.4.40.1180.10616.29
7.4.30.0570.05116.50
7.3.330.0120.00913.14
7.3.320.0190.00313.00
7.3.310.0240.00316.11
7.3.300.0190.00316.06
7.3.290.0390.06516.21
7.3.280.0330.06416.21
7.3.270.1100.03817.40
7.3.260.1210.04716.04
7.3.250.1280.07516.28
7.3.240.1270.04316.45
7.3.230.0830.05016.39
7.3.210.0760.05916.30
7.3.200.1020.09119.39
7.3.190.0930.05316.27
7.3.180.1200.07416.02
7.3.170.0490.04916.28
7.3.160.0680.03516.23
7.2.330.1330.07416.48
7.2.320.0830.07616.34
7.2.310.1040.06216.50
7.2.300.0800.04016.36
7.2.290.0670.05316.66
7.2.100.1190.02614.34
7.2.90.1040.03214.27
7.2.80.0860.03714.09
7.2.70.1750.02514.57
7.2.60.0820.03914.49
7.2.50.0680.02714.73
7.2.40.0510.03414.73
7.2.30.1610.02414.45
7.2.20.1010.02615.10
7.2.10.0590.03315.01
7.2.00.0970.04714.50
7.1.220.1390.03613.64
7.1.210.1470.01613.38
7.1.200.1390.03213.30
7.1.190.2040.02013.46
7.1.180.1480.03513.48
7.1.170.0730.02313.64
7.1.160.0530.02713.54
7.1.150.0590.02213.25
7.1.140.0600.01914.00
7.1.130.0790.01513.93
7.1.120.0610.01613.94
7.1.110.0640.02014.03
7.1.100.2200.03313.75
7.1.90.1010.02813.84
7.1.80.1840.04713.68
7.1.70.2330.01813.62
7.1.60.1070.02131.59
7.1.50.2950.02632.01
7.1.40.0850.01232.01
7.1.30.1890.02031.96
7.1.20.0660.02831.93
7.1.10.0560.02113.62
7.1.00.0880.03013.67
7.0.310.0590.02212.78
7.0.300.1190.03813.26
7.0.290.1070.01113.34
7.0.280.0770.01713.30
7.0.270.0720.02113.73
7.0.260.0780.02213.58
7.0.250.1120.04413.51
7.0.240.0650.02713.71
7.0.230.2240.03013.53
7.0.220.2470.03613.58
7.0.210.1030.01313.74
7.0.200.0640.01313.33
7.0.190.2560.02113.04
7.0.180.2030.03113.41
7.0.170.0570.02313.56
7.0.160.0590.02313.50
7.0.150.0510.02413.20
7.0.140.0540.02213.53
7.0.130.2110.01513.05
7.0.120.2150.01813.60
7.0.110.2050.03613.40
7.0.100.1240.02213.23
7.0.90.0560.02513.24
7.0.80.0670.02913.56
7.0.70.1980.03813.44
7.0.60.2350.03313.57
7.0.50.2070.01913.59
7.0.40.1720.02113.49
7.0.30.1860.03713.62
7.0.20.1840.03513.48
7.0.10.0880.01713.66
7.0.00.0870.01913.43
5.6.380.0890.06314.10
5.6.370.0690.02813.67
5.6.360.0980.02214.10
5.6.350.0740.02814.17
5.6.340.0640.02814.01
5.6.330.0710.03914.46
5.6.320.0490.03714.59
5.6.310.0550.02214.00
5.6.300.0860.00914.16
5.6.290.0680.02214.21
5.6.280.0590.04414.34
5.6.270.0490.02514.25
5.6.260.0550.02414.21
5.6.250.0380.03314.31
5.6.240.0440.03914.44
5.6.230.0890.03014.16
5.6.220.0570.04414.25
5.6.210.0530.02914.18
5.6.200.0590.02514.40
5.6.190.0800.02314.19
5.6.180.0670.03514.52
5.6.170.0600.06014.26
5.6.160.0670.01714.48
5.6.150.0580.01614.28
5.6.140.0670.02414.35
5.6.130.0660.02714.25
5.6.120.0510.04513.99
5.6.110.0530.01914.18
5.6.100.0790.06014.11
5.6.90.0480.02314.21
5.6.80.0780.01214.21
5.6.70.0950.02414.24
5.6.60.0650.03314.18
5.6.50.0600.02614.24
5.6.40.0510.03914.13
5.6.30.0640.02314.21
5.6.20.0640.02614.37
5.6.10.0570.03914.22
5.6.00.0590.04013.93
5.5.380.0530.03012.30
5.5.370.1080.03512.30
5.5.360.0970.03412.30
5.5.350.0420.04512.30
5.5.340.0550.03812.30
5.5.330.0530.02412.30
5.5.320.0700.01412.30
5.5.310.0580.02512.30
5.5.300.0530.02612.30
5.5.290.0600.02712.30
5.5.280.1120.05212.30
5.5.270.0780.02912.30
5.5.260.0690.04612.30
5.5.250.0610.01612.30
5.5.240.0450.02712.30
5.5.230.0650.03012.30
5.5.220.0370.03412.30
5.5.210.0650.01712.30
5.5.200.0660.01712.30
5.5.190.0520.03112.30
5.5.180.0630.02712.30
5.5.170.0890.02514.26
5.5.160.0550.02512.30
5.5.150.0770.02112.30
5.4.450.0730.02212.30
5.4.440.0750.02912.30
5.4.430.0560.03012.30
5.4.420.0550.02512.30
5.4.410.0470.02512.30
5.4.400.0650.01112.30
5.4.390.0510.02812.30
5.4.380.0550.03412.30
5.4.370.0510.02012.30
5.4.360.0630.01412.30
5.4.350.0630.02212.30
5.4.340.0520.02612.30
5.4.330.0840.02212.30
5.4.320.0650.01312.30
5.3.290.0550.02912.30

preferences:
33.17 ms | 401 KiB | 5 Q