3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'ZZ'; $a++; echo $a;

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)
8.3.40.0060.00918.71
8.3.30.0110.00318.54
8.3.20.0050.00318.79
8.3.10.0080.00018.61
8.3.00.0090.00019.38
8.2.170.0130.00722.96
8.2.160.0160.00018.73
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00318.86
8.2.110.0050.00519.23
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00619.14
7.4.10.0030.01716.27
7.4.00.0100.01115.66
7.3.130.0140.01116.24
7.3.120.0100.01015.62
7.3.110.0150.01116.23
7.3.100.0090.00616.29
7.3.90.0040.01616.14
7.3.80.0050.01116.13
7.3.70.0110.01116.07
7.3.60.0120.00416.14
7.3.50.0070.01316.12
7.3.40.0130.00416.15
7.3.30.0080.00516.30
7.3.20.2680.00717.97
7.3.10.1460.00716.24
7.3.00.0080.00617.39
7.2.260.0240.00316.43
7.2.250.0190.00716.30
7.2.240.0060.01916.39
7.2.230.0170.00316.39
7.2.220.0060.01816.58
7.2.210.0090.00916.39
7.2.200.0090.00616.45
7.2.190.0070.01116.42
7.2.180.0130.01316.43
7.2.170.0120.00816.13
7.2.160.0050.01116.28
7.2.150.0590.01416.32
7.2.140.0280.00918.24
7.2.130.0060.00717.47
7.2.120.0090.00717.58
7.2.110.0070.00717.56
7.2.100.0110.00517.54
7.2.90.0120.01117.35
7.2.80.0060.01017.49
7.2.70.0060.00817.63
7.2.60.0050.01017.45
7.2.50.0140.00617.45
7.2.40.0110.01017.53
7.2.30.0130.00717.69
7.2.20.0110.00817.54
7.2.10.0090.01117.45
7.2.00.0040.01317.48
7.1.330.0070.01417.14
7.1.320.0140.00317.24
7.1.310.0100.01017.18
7.1.300.1180.00715.20
7.1.290.0080.00615.49
7.1.280.5870.01016.85
7.1.270.2440.00315.36
7.1.260.1350.00315.28
7.1.250.0070.00616.38
7.1.240.0090.00516.47
7.1.230.0080.00316.51
7.1.220.0050.00616.33
7.1.210.0120.00516.26
7.1.200.0100.00916.42
7.1.190.0050.00916.24
7.1.180.0120.00916.45
7.1.170.0120.00214.19
7.1.160.0280.00315.12
7.1.150.0080.00914.31
7.1.140.1330.00513.73
7.1.130.0100.00614.28
7.1.120.0300.00413.66
7.1.110.0270.00715.56
7.1.100.0110.01216.99
7.1.90.0090.01416.30
7.1.80.0050.01516.49
7.1.70.0150.01016.04
7.1.60.0240.00515.54
7.1.50.0120.00614.74
7.1.40.0100.00313.72
7.1.30.0170.00216.29
7.1.20.0360.00815.40
7.1.10.0120.00513.57
7.1.00.0100.01918.35
7.0.330.0100.01015.88
7.0.320.0110.00916.05
7.0.310.0140.00515.82
7.0.300.0100.01016.05
7.0.290.0100.00716.08
7.0.280.0140.00416.02
7.0.270.0050.00915.97
7.0.260.0310.00715.20
7.0.250.0070.00816.00
7.0.240.0090.00714.03
7.0.230.0130.00916.09
7.0.220.0180.00414.11
7.0.210.0210.00713.41
7.0.200.0270.00815.65
7.0.190.0240.01015.20
7.0.180.0240.00915.13
7.0.170.0260.00313.43
7.0.160.0250.00713.52
7.0.150.0320.01115.17
7.0.140.0050.03218.08
7.0.130.0320.00515.07
7.0.120.0100.02817.99
7.0.110.0160.00716.14
7.0.100.0140.00715.92
7.0.90.0110.00816.03
7.0.80.0080.00513.44
7.0.70.0080.01115.86
7.0.60.0070.03317.95
7.0.50.0100.02914.93
7.0.40.0070.03416.02
7.0.30.0160.03116.10
7.0.20.0150.03015.03
7.0.10.0030.02616.01
7.0.00.0140.03316.04
5.6.400.0160.00815.46
5.6.390.0080.01615.84
5.6.380.0110.00914.77
5.6.370.0100.01115.03
5.6.360.0080.01015.14
5.6.350.0110.00715.08
5.6.340.0100.01115.06
5.6.330.0080.00812.93
5.6.320.0040.01312.93
5.6.310.0130.00515.11
5.6.300.0120.00715.13
5.6.290.0060.01414.99
5.6.280.0110.02917.02
5.6.270.0090.01014.95
5.6.260.0110.00614.97
5.6.250.0140.00914.86
5.6.240.0120.00614.91
5.6.230.0120.00814.96
5.6.220.0110.00914.89
5.6.210.0150.02516.88
5.6.200.0130.03016.06
5.6.190.0090.02116.67
5.6.180.0100.01916.84
5.6.170.0170.02716.80
5.6.160.0060.02416.88
5.6.150.0140.02816.02
5.6.140.0110.01715.96
5.6.130.0110.02916.21
5.6.120.0100.01816.89
5.6.110.0120.03417.01
5.6.100.0120.02416.97
5.6.90.0090.03717.11
5.6.80.0130.02916.70
5.6.70.0150.00514.98
5.6.60.0130.00514.84
5.6.50.0080.00814.78
5.6.40.0150.00514.90
5.6.30.0110.01114.85
5.6.20.0070.01114.85
5.6.10.0130.00914.84
5.6.00.0140.00414.99
5.5.380.0080.00913.41
5.5.370.0100.00713.35
5.5.360.0120.00513.22
5.5.350.0080.03115.78
5.5.340.0100.02114.82
5.5.330.0100.03115.56
5.5.320.0240.02115.67
5.5.310.0170.02815.65
5.5.300.0090.01914.93
5.5.290.0090.02614.86
5.5.280.0110.03115.87
5.5.270.0080.02815.85
5.5.260.0100.02615.90
5.5.250.0110.02415.59
5.5.240.0080.02615.49
5.5.230.0070.00813.31
5.5.220.0110.00413.21
5.5.210.0120.00413.19
5.5.200.0050.01313.33
5.5.190.0080.00813.35
5.5.180.0140.00413.28
5.5.170.0070.01013.25
5.5.160.0070.00813.14
5.5.150.0150.00413.37
5.5.140.0030.01313.38
5.5.130.0120.00613.18
5.5.120.0040.01113.19
5.5.110.0100.00313.31
5.5.100.0040.01113.37
5.5.90.0100.00713.21
5.5.80.0080.00613.31
5.5.70.0070.00813.19
5.5.60.0060.00913.24
5.5.50.0050.01413.30
5.5.40.0090.00613.18
5.5.30.0110.00513.39
5.5.20.0090.00813.23
5.5.10.0080.01113.43
5.5.00.0070.00613.16
5.4.450.0080.04115.24
5.4.440.0110.02815.20
5.4.430.0110.01715.00
5.4.420.0080.02315.07
5.4.410.0050.04215.15
5.4.400.0070.03515.05
5.4.390.0050.03514.89
5.4.380.0070.03815.04
5.4.370.0050.02314.99
5.4.360.0040.04215.03
5.4.350.0020.03115.04
5.4.340.0060.01814.84
5.4.330.0080.00310.90
5.4.320.0060.02114.99
5.4.310.0050.02214.95
5.4.300.0050.03214.99
5.4.290.0060.03515.02
5.4.280.0070.03514.84
5.4.270.0080.03814.85
5.4.260.0040.02414.90
5.4.250.0120.03815.04
5.4.240.0050.02715.03
5.4.230.0050.03314.84
5.4.220.0070.03914.84
5.4.210.0070.02114.98
5.4.200.0080.01814.99
5.4.190.0050.02815.03
5.4.180.0070.04115.03
5.4.170.0020.04215.03
5.4.160.0060.02914.83
5.4.150.0030.03015.03
5.4.140.0120.02513.58
5.4.130.0080.01913.59
5.4.120.0030.04013.57
5.4.110.0030.04213.58
5.4.100.0070.04213.57
5.4.90.0070.03213.64
5.4.80.0040.02213.62
5.4.70.0050.02913.66
5.4.60.0030.03113.65
5.4.50.0020.03413.63
5.4.40.0030.03913.60
5.4.30.0050.03513.55
5.4.20.0100.03913.52
5.4.10.0080.02313.60
5.4.00.0040.02413.30
5.3.290.0060.04012.75
5.3.280.0050.03212.66
5.3.270.0030.02612.72
5.3.260.0100.03812.71
5.3.250.0070.03912.79
5.3.240.0070.02212.71
5.3.230.0050.02512.79
5.3.220.0040.02712.77
5.3.210.0070.03212.69
5.3.200.0100.03812.71
5.3.190.0040.02812.70
5.3.180.0030.02212.70
5.3.170.0050.02312.71
5.3.160.0030.04212.69
5.3.150.0050.03212.69
5.3.140.0100.03512.71
5.3.130.0020.04412.68
5.3.120.0050.03812.73
5.3.110.0110.03512.69
5.3.100.0060.02812.46
5.3.90.0080.03812.47
5.3.80.0050.03412.42
5.3.70.0080.03512.42
5.3.60.0080.02612.41
5.3.50.0030.04012.39
5.3.40.0050.03812.41
5.3.30.0050.04012.31
5.3.20.0090.03012.26
5.3.10.0030.02312.26
5.3.00.0010.02412.17
5.2.170.0050.02811.01
5.2.160.0180.01810.96
5.2.150.0070.02711.02
5.2.140.0080.02811.01
5.2.130.0020.01810.96
5.2.120.0000.03610.94
5.2.110.0000.02410.96
5.2.100.0050.03010.93
5.2.90.0030.03310.99
5.2.80.0050.03111.08
5.2.70.0020.02710.98
5.2.60.0050.02810.92
5.2.50.0050.02610.96
5.2.40.0050.03110.93
5.2.30.0010.02810.87
5.2.20.0040.02911.00
5.2.10.0020.02710.80
5.2.00.0070.02810.85
5.1.60.0050.02910.47
5.1.50.0050.01810.43
5.1.40.0090.02410.51
5.1.30.0080.02310.57
5.1.20.0070.02710.64
5.1.10.0030.02510.47
5.1.00.0060.01110.52
5.0.50.0010.0139.67
5.0.40.0050.0209.66
5.0.30.0040.0259.48
5.0.20.0030.0229.55
5.0.10.0030.0219.56
5.0.00.0030.0189.59
4.4.90.0030.0229.40
4.4.80.0060.0179.40
4.4.70.0050.0089.40
4.4.60.0040.0189.40
4.4.50.0030.0199.40
4.4.40.0020.0289.40
4.4.30.0050.0189.40
4.4.20.0020.0139.40
4.4.10.0000.0189.40
4.4.00.0050.0289.40
4.3.110.0030.0159.40
4.3.100.0020.0189.40
4.3.90.0050.0159.40
4.3.80.0020.0159.40
4.3.70.0010.0109.40
4.3.60.0000.0229.40
4.3.50.0030.0189.40
4.3.40.0020.0279.40
4.3.30.0030.0109.40
4.3.20.0000.0179.40
4.3.10.0000.0179.40
4.3.00.0000.0209.40

preferences:
33.78 ms | 400 KiB | 5 Q