3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a ="zz"; $b = "aa"; $a++; $b--; var_dump($a); var_dump($b);

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)
8.3.40.0070.00718.63
8.3.30.0030.01020.21
8.3.20.0080.00018.48
8.3.10.0080.00021.14
8.3.00.0040.00422.50
8.2.170.0090.00922.96
8.2.160.0070.00720.47
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0040.00420.94
8.2.110.0040.00419.24
8.2.100.0070.00717.72
8.2.90.0040.00419.21
8.2.80.0060.00617.97
8.2.70.0080.00417.34
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0000.00818.14
8.2.30.0100.00019.43
8.2.20.0040.00417.63
8.2.10.0030.00617.52
8.2.00.0030.00717.60
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0050.00522.50
8.1.230.0040.00820.66
8.1.220.0030.00518.77
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0050.00217.50
8.1.180.0000.00818.10
8.1.170.0040.00418.45
8.1.160.0070.00018.68
8.1.150.0070.00018.48
8.1.140.0000.00717.41
8.1.130.0000.00717.73
8.1.120.0000.00817.29
8.1.110.0000.00817.28
8.1.100.0070.00017.27
8.1.90.0070.00017.34
8.1.80.0040.00417.37
8.1.70.0040.00417.25
8.1.60.0030.00517.54
8.1.50.0000.00717.41
8.1.40.0040.00417.45
8.1.30.0080.00017.38
8.1.20.0000.00717.61
8.1.10.0060.00317.43
8.1.00.0000.00717.20
8.0.300.0050.00219.85
8.0.290.0000.00717.05
8.0.280.0030.00318.36
8.0.270.0000.00717.18
8.0.260.0000.00716.73
8.0.250.0000.00716.79
8.0.240.0000.01116.85
8.0.230.0040.00416.93
8.0.220.0030.00316.82
8.0.210.0000.00716.88
8.0.200.0070.00016.89
8.0.190.0030.00616.74
8.0.180.0040.00416.86
8.0.170.0000.00716.87
8.0.160.0040.00316.77
8.0.150.0030.00316.74
8.0.140.0090.00316.78
8.0.130.0060.00013.33
8.0.120.0000.00716.80
8.0.110.0030.00316.81
8.0.100.0040.00416.66
8.0.90.0000.00716.72
8.0.80.0110.00716.69
8.0.70.0050.00316.71
8.0.60.0030.00516.81
8.0.50.0000.00816.64
8.0.30.0130.00616.97
8.0.20.0080.01217.40
8.0.10.0040.00416.89
8.0.00.0110.00916.67
7.4.330.0030.00316.79
7.4.320.0000.00716.43
7.4.300.0030.00316.54
7.4.290.0070.00016.52
7.4.280.0070.00016.46
7.4.270.0000.00716.54
7.4.260.0030.00313.14
7.4.250.0040.00416.32
7.4.240.0040.00416.48
7.4.230.0030.00316.55
7.4.220.0130.01316.56
7.4.210.0090.00716.47
7.4.200.0040.00416.31
7.4.190.0000.00816.29
7.4.160.0120.00416.55
7.4.150.0090.00917.40
7.4.140.0030.01517.86
7.4.130.0120.00516.41
7.4.120.0110.00616.34
7.4.110.0040.01216.47
7.4.100.0110.00616.31
7.4.90.0050.01416.40
7.4.80.0100.01019.39
7.4.70.0060.01016.45
7.4.60.0090.00916.36
7.4.50.0000.00816.42
7.4.40.0000.01122.77
7.4.30.0140.00716.20
7.4.10.0030.01614.79
7.4.00.0100.00614.91
7.3.330.0020.00213.03
7.3.320.0000.00513.03
7.3.310.0030.00316.05
7.3.300.0060.00016.18
7.3.290.0000.01416.25
7.3.280.0120.00416.19
7.3.270.0070.01017.40
7.3.260.0100.00718.24
7.3.250.0120.00516.36
7.3.240.0090.00916.56
7.3.230.0100.01016.39
7.3.210.0180.00316.30
7.3.200.0080.00819.39
7.3.190.0060.01016.32
7.3.180.0110.00516.63
7.3.170.0030.01216.27
7.3.160.0040.01216.23
7.3.130.0000.01914.83
7.3.120.0070.01014.71
7.3.110.0030.01214.78
7.3.100.0120.00414.72
7.3.90.0000.01714.88
7.3.80.0080.00414.96
7.3.70.0030.01014.85
7.3.60.0030.00714.83
7.3.50.0070.00314.90
7.3.40.0070.00714.79
7.3.30.0060.00314.60
7.3.20.0040.00816.78
7.3.10.0090.00616.42
7.3.00.0060.00916.70
7.2.330.0180.00916.38
7.2.320.0070.01416.19
7.2.310.0070.01116.64
7.2.300.0050.01216.48
7.2.290.0100.01016.45
7.2.260.0100.01014.81
7.2.250.0060.00914.96
7.2.240.0030.00914.90
7.2.230.0100.00314.46
7.2.220.0030.01015.08
7.2.210.0060.00615.04
7.2.200.0060.00915.10
7.2.190.0100.00315.02
7.2.180.0030.00714.81
7.2.170.0120.00314.80
7.2.160.0080.00315.01
7.2.150.0040.01116.87
7.2.140.0040.00716.50
7.2.130.0090.00316.55
7.2.120.0060.01216.57
7.2.110.0070.01016.81
7.2.100.0120.00316.58
7.2.90.0040.00817.04
7.2.80.0070.01016.91
7.2.70.0070.00716.79
7.2.60.0000.01016.90
7.2.50.0060.00916.81
7.2.40.0100.00716.68
7.2.30.0000.01016.60
7.2.20.0090.00316.73
7.2.10.0060.00316.82
7.2.00.0000.01317.97
7.1.330.0120.00315.59
7.1.320.0000.01515.79
7.1.310.0030.01015.58
7.1.300.0030.01015.74
7.1.290.0040.01115.93
7.1.280.0030.01015.68
7.1.270.0050.00515.59
7.1.260.0090.00315.82
7.1.250.0060.00615.90
7.1.240.0060.00915.83
7.1.230.0000.01415.86
7.1.220.0110.00315.71
7.1.210.0040.00815.48
7.1.200.0070.01015.44
7.1.190.0000.01415.80
7.1.180.0000.01115.80
7.1.170.0030.00915.84
7.1.160.0070.00715.48
7.1.150.0030.00615.70
7.1.140.0090.00615.80
7.1.130.0100.00615.83
7.1.120.0110.00615.79
7.1.110.0050.00515.75
7.1.100.0100.00417.01
7.1.90.0050.00815.64
7.1.80.0070.00715.87
7.1.70.0030.00816.27
7.1.60.0070.01317.47
7.1.50.0070.01016.28
7.1.40.0070.00715.75
7.1.30.0030.00615.91
7.1.20.0040.00715.83
7.1.10.0060.00315.88
7.1.00.0020.02519.14
7.0.330.0070.00315.36
7.0.320.0030.01015.39
7.0.310.0060.00315.38
7.0.300.0030.00915.40
7.0.290.0060.00315.27
7.0.280.0060.00615.06
7.0.270.0030.00615.52
7.0.260.0000.00815.45
7.0.250.0000.01515.23
7.0.240.0030.00715.66
7.0.230.0070.00715.50
7.0.220.0070.00715.02
7.0.210.0000.01415.18
7.0.200.0040.00715.95
7.0.190.0100.00315.34
7.0.180.0120.00315.64
7.0.170.0100.00315.23
7.0.160.0060.00615.24
7.0.150.0030.01015.43
7.0.140.0030.04118.67
7.0.130.0060.00615.58
7.0.120.0060.00615.57
7.0.110.0040.00415.56
7.0.100.0270.04017.61
7.0.90.0250.04717.78
7.0.80.0230.04517.65
7.0.70.0220.03417.66
7.0.60.0270.04417.56
7.0.50.0280.04517.89
7.0.40.0060.04516.79
7.0.30.0080.03216.64
7.0.20.0030.04516.69
7.0.10.0070.04316.77
7.0.00.0080.04316.67
5.6.400.0030.00514.32
5.6.390.0060.00314.20
5.6.380.0090.00614.11
5.6.370.0060.00614.43
5.6.360.0060.00914.10
5.6.350.0050.00514.57
5.6.340.0070.00714.14
5.6.330.0060.00614.06
5.6.320.0090.00613.80
5.6.310.0040.01114.27
5.6.300.0060.00814.32
5.6.290.0000.01214.14
5.6.280.0020.04217.64
5.6.270.0120.00314.50
5.6.260.0070.00414.13
5.6.250.0080.04217.32
5.6.240.0070.04117.30
5.6.230.0080.04517.43
5.6.220.0080.03917.40
5.6.210.0050.04317.58
5.6.200.0120.03817.57
5.6.190.0050.04717.59
5.6.180.0070.04717.71
5.6.170.0050.02717.58
5.6.160.0100.04117.63
5.6.150.0120.03717.59
5.6.140.0080.05017.53
5.6.130.0030.04117.58
5.6.120.0100.04417.68
5.6.110.0070.04617.62
5.6.100.0120.04017.55
5.6.90.0070.04717.58
5.6.80.0060.04117.32
5.6.70.0100.04017.23
5.6.60.0040.04617.31
5.6.50.0050.03117.43
5.6.40.0040.03217.40
5.6.30.0020.03517.32
5.6.20.0070.04017.34
5.6.10.0120.03717.13
5.6.00.0050.03117.25
5.5.380.0070.02517.18
5.5.370.0110.03717.25
5.5.360.0070.02517.26
5.5.350.0090.03717.15
5.5.340.0050.04317.66
5.5.330.0100.03817.64
5.5.320.0120.03717.57
5.5.310.0050.04517.50
5.5.300.0030.04817.48
5.5.290.0110.04317.32
5.5.280.0090.04017.51
5.5.270.0100.03717.47
5.5.260.0100.02517.34
5.5.250.0070.04217.31
5.5.240.0060.03016.91
5.5.230.0050.02317.02
5.5.220.0020.04017.16
5.5.210.0030.04617.16
5.5.200.0050.03917.06
5.5.190.0090.03016.99
5.5.180.0060.04117.13
5.5.170.0040.00414.11
5.5.160.0120.01817.05
5.5.150.0050.04417.10
5.5.140.0140.03616.97
5.5.130.0030.04617.11
5.5.120.0060.04616.99
5.5.110.0070.04217.05
5.5.100.0050.04117.11
5.5.90.0150.02316.90
5.5.80.0070.04217.10
5.5.70.0070.04016.92
5.5.60.0080.04316.95
5.5.50.0030.04617.08
5.5.40.0070.04117.00
5.5.30.0050.04116.85
5.5.20.0110.03516.98
5.5.10.0070.03417.05
5.5.00.0060.04216.93
5.4.450.0080.03815.73
5.4.440.0080.03815.75
5.4.430.0040.03215.74
5.4.420.0050.04115.74
5.4.410.0110.02215.66
5.4.400.0120.03015.58
5.4.390.0100.02015.62
5.4.380.0010.04515.53
5.4.370.0020.05015.66
5.4.360.0100.03515.60
5.4.350.0050.04115.44
5.4.340.0130.03515.54
5.4.330.0030.00712.09
5.4.320.0110.03615.62
5.4.310.0070.03815.59
5.4.300.0060.04015.52
5.4.290.0070.03515.44
5.4.280.0110.03215.56
5.4.270.0030.04515.56
5.4.260.0060.04315.56
5.4.250.0090.03815.58
5.4.240.0060.03915.60
5.4.230.0060.03715.66
5.4.220.0020.04015.57
5.4.210.0020.03315.53
5.4.200.0100.02715.61
5.4.190.0080.03515.55
5.4.180.0070.03815.45
5.4.170.0030.04115.59
5.4.160.0060.03315.55
5.4.150.0030.02315.44
5.4.140.0060.04114.12
5.4.130.0030.04014.18
5.4.120.0030.03814.24
5.4.110.0050.02614.22
5.4.100.0000.03014.22
5.4.90.0150.03314.15
5.4.80.0050.04014.25
5.4.70.0030.03814.14
5.4.60.0050.03714.23
5.4.50.0060.03814.19
5.4.40.0020.04614.16
5.4.30.0130.03514.23
5.4.20.0020.03214.14
5.4.10.0090.03514.19
5.4.00.0050.03513.95
5.3.290.0070.04213.36
5.3.280.0060.02413.30
5.3.270.0040.02613.34
5.3.260.0050.04213.28
5.3.250.0060.04013.34
5.3.240.0070.02313.30
5.3.230.0060.04113.31
5.3.220.0080.03913.33
5.3.210.0070.03813.32
5.3.200.0050.04013.32
5.3.190.0030.04613.31
5.3.180.0030.03613.33
5.3.170.0070.04013.31
5.3.160.0070.03713.32
5.3.150.0080.03613.32
5.3.140.0030.04513.24
5.3.130.0090.03713.32
5.3.120.0030.04013.25
5.3.110.0030.02613.28
5.3.100.0060.03913.03
5.3.90.0080.03913.04
5.3.80.0020.04213.03
5.3.70.0100.02012.95
5.3.60.0020.03113.04
5.3.50.0120.03412.99
5.3.40.0030.04012.91
5.3.30.0020.04412.99
5.3.20.0070.03812.78
5.3.10.0050.01812.87
5.3.00.0000.02312.87
5.2.170.0000.06311.20
5.2.160.0070.05711.14
5.2.150.0030.06010.96
5.2.140.0030.06011.16
5.2.130.0000.03011.11
5.2.120.0070.04011.15
5.2.110.0000.03711.10
5.2.100.0000.03711.14
5.2.90.0000.03311.10
5.2.80.0000.03011.11
5.2.70.0030.04011.14
5.2.60.0100.02311.11
5.2.50.0000.03011.00
5.2.40.0030.02711.06
5.2.30.0030.03310.93
5.2.20.0000.03710.93
5.2.10.0070.02310.93
5.2.00.0030.02710.93
5.1.60.0070.03710.93
5.1.50.0000.03310.93
5.1.40.0000.05710.93
5.1.30.0070.02310.93
5.1.20.0000.05710.93
5.1.10.0000.05710.93
5.1.00.0100.04310.93
5.0.50.0030.02010.93
5.0.40.0070.03310.93
5.0.30.0030.02710.93
5.0.20.0030.03010.93
5.0.10.0030.02010.93
5.0.00.0000.03010.93
4.4.90.0000.01710.93
4.4.80.0070.01010.93
4.4.70.0000.01710.93
4.4.60.0000.01710.93
4.4.50.0030.01710.93
4.4.40.0000.02310.93
4.4.30.0030.01310.93
4.4.20.0000.03710.93
4.4.10.0030.01010.93
4.4.00.0030.02310.93
4.3.110.0030.03310.93
4.3.100.0000.03710.93
4.3.90.0000.03710.93
4.3.80.0000.02710.93
4.3.70.0030.02010.93
4.3.60.0000.01710.93
4.3.50.0070.01010.93
4.3.40.0030.02710.93
4.3.30.0000.01710.93
4.3.20.0070.02710.93
4.3.10.0000.02710.93
4.3.00.0000.02010.93

preferences:
41.1 ms | 400 KiB | 5 Q