3v4l.org

run code in 300+ PHP versions simultaneously
<pre><?php $vars['x'] = 10; $vars['y'] = 100; $vars['a'] = '1'; $vars['b'] = 1.1; $start = microtime(true); for ($i = 0; $i<1000000; $i++) { $foo = sprintf('from %s to %s %s %s', $vars['x'], $vars['y'], $vars['a'], $vars['b']); } var_dump(microtime(true) - $start); $start = microtime(true); for ($i = 0; $i<1000000; $i++) { $foo = 'from ' . $vars['x'] . ' to ' . $vars['y'] . ' ' . $vars['a'] . ' '. $vars['b']; } var_dump(microtime(true) - $start); $start = microtime(true); for ($i = 0; $i<1000000; $i++) { $foo = "from {$vars['x']} to {$vars['y']} {$vars['a']} {$vars['b']}"; } var_dump(microtime(true) - $start);

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)
7.4.10.0102.48914.96
7.4.00.0102.48914.79
7.3.130.0031.83614.54
7.3.120.0102.40614.79
7.3.110.0071.73314.77
7.3.100.0102.48914.90
7.3.90.0072.16614.62
7.3.80.0032.21514.64
7.3.70.0002.34214.72
7.3.60.0031.85814.56
7.3.50.0032.19114.95
7.3.40.0071.76414.93
7.3.30.0001.82714.96
7.3.20.0032.26716.70
7.3.10.0001.76316.71
7.3.00.0032.29916.78
7.2.260.0062.49215.07
7.2.250.0072.49215.05
7.2.240.0071.87715.12
7.2.230.0072.03214.87
7.2.220.0071.91814.98
7.2.210.0071.89915.13
7.2.200.0002.20215.11
7.2.190.0032.49515.15
7.2.180.0072.15514.91
7.2.170.0032.49615.00
7.2.160.0032.37714.98
7.2.150.0072.23017.04
7.2.140.0032.49516.89
7.2.130.0032.44716.94
7.2.120.0032.27416.63
7.2.110.0072.41116.93
7.2.100.0032.34116.80
7.2.90.0102.48717.11
7.2.80.0032.49516.75
7.2.70.0032.25217.11
7.2.60.0072.45116.96
7.2.50.0002.32517.12
7.2.40.0072.00917.06
7.2.30.0032.21817.12
7.2.20.0032.06717.00
7.2.10.0032.49516.96
7.2.00.0031.72218.22
7.1.330.0072.49215.59
7.1.320.0032.49515.59
7.1.310.0032.49515.65
7.1.300.0032.49515.82
7.1.290.0102.48915.71
7.1.280.0072.49115.48
7.1.270.0002.49915.80
7.1.260.0032.45315.82
7.1.250.0032.46615.91
7.1.240.0002.07915.87
7.1.230.0031.99315.74
7.1.220.0032.49415.78
7.1.210.0032.49615.73
7.1.200.0072.21915.71
7.1.190.0002.08615.73
7.1.180.0072.26015.95
7.1.170.0102.48915.81
7.1.160.0032.16415.71
7.1.150.0002.49915.75
7.1.140.0102.02115.97
7.1.130.0032.42215.73
7.1.120.0032.49615.86
7.1.110.0072.49215.85
7.1.100.0072.07115.92
7.1.90.0072.49215.77
7.1.80.0032.49415.75
7.1.70.0031.84416.56
7.1.60.0031.85917.55
7.1.50.0081.85916.26
7.1.40.0072.49215.84
7.1.30.0112.48615.84
7.1.20.0032.49415.89
7.1.10.0032.49515.92
7.1.00.0081.85919.02
7.0.330.0032.49615.52
7.0.320.0032.49515.43
7.0.310.0032.46215.19
7.0.300.0102.48915.10
7.0.290.0072.49015.30
7.0.280.0002.49815.59
7.0.270.0032.49415.37
7.0.260.0002.16115.54
7.0.250.0032.42915.29
7.0.240.0072.43115.26
7.0.230.0032.49515.55
7.0.220.0022.32715.59
7.0.210.0032.49515.55
7.0.200.0021.84116.06
7.0.190.0072.32115.44
7.0.180.0072.49215.50
7.0.170.0002.49715.62
7.0.160.0072.49115.61
7.0.150.0072.46515.57
7.0.140.0002.08218.77
7.0.130.0032.49515.50
7.0.120.0002.49815.23
7.0.110.0002.49915.53
7.0.100.0032.49615.63
7.0.90.0072.49115.50
7.0.80.0002.49915.41
7.0.70.0032.49615.59
7.0.60.0101.85317.69
7.0.50.0071.87916.63
7.0.40.0071.78716.74
7.0.30.0251.87916.87
7.0.20.0181.73816.81
7.0.10.0171.84516.88
7.0.00.0051.76416.79
5.6.400.0002.49814.46
5.6.390.0032.49514.66
5.6.380.0002.49814.64
5.6.370.0072.49014.39
5.6.360.0032.49614.70
5.6.350.0002.49914.73
5.6.340.0072.49014.17
5.6.330.0002.49514.59
5.6.320.0072.49214.25
5.6.310.0032.48914.39
5.6.300.0072.49214.49
5.6.290.0072.49214.54
5.6.280.0052.30417.88
5.6.270.0002.49414.52
5.6.260.0132.48314.61
5.6.250.0002.49614.77
5.6.240.0002.49614.44
5.6.230.0002.49714.54
5.6.220.0072.48914.40
5.6.210.0102.21017.46
5.6.200.0032.22516.21
5.6.190.0102.23817.60
5.6.180.0182.15717.40
5.6.170.0132.20917.59
5.6.160.0052.22417.40
5.6.150.0052.21816.37
5.6.140.0052.22216.55
5.6.130.0002.19416.25
5.6.120.0032.21917.67
5.6.110.0052.26117.86
5.6.100.0072.24517.79
5.6.90.0082.22817.71
5.6.80.0052.25617.44
5.6.70.0102.48814.62
5.6.60.0032.49414.43
5.6.50.0072.48014.70
5.6.40.0002.49914.51
5.6.30.0112.44614.37
5.6.20.0002.49914.56
5.6.10.0032.49314.07
5.6.00.0102.48914.42
5.5.380.0032.49514.57
5.5.370.0032.49514.48
5.5.360.0062.49014.52
5.5.350.0022.15817.44
5.5.340.0072.23016.23
5.5.330.0022.12317.35
5.5.320.0202.22117.37
5.5.310.0122.19317.30
5.5.300.0032.26916.21
5.5.290.0082.18716.32
5.5.280.0082.19617.70
5.5.270.0082.21917.36
5.5.260.0052.25117.48
5.5.250.0032.24317.66
5.5.240.0102.26917.28
5.5.230.0032.49514.46
5.5.220.0002.49914.39
5.5.210.0032.49514.20
5.5.200.0202.44614.28
5.5.190.0032.49314.03
5.5.180.0032.48214.37
5.5.170.0032.47814.35
5.5.160.0072.49214.22
5.5.150.0072.47814.06
5.5.140.0072.49114.61
5.5.130.0102.47214.29
5.5.120.0032.49314.67
5.5.110.0002.49914.14
5.5.100.0032.49414.22
5.5.90.0072.47214.24
5.5.80.0002.48614.00
5.5.70.0032.46514.28
5.5.60.0072.49114.40
5.5.50.0032.47714.14
5.5.40.0032.45914.16
5.5.30.0002.46914.38
5.5.20.0032.48814.49
5.5.10.0102.47413.79
5.5.00.0072.48214.29
5.4.450.0152.12515.12
5.4.440.1902.13015.02
5.4.430.0152.16615.29
5.4.420.0152.16915.21
5.4.410.0082.14815.18
5.4.400.0172.15415.05
5.4.390.1222.11015.19
5.4.380.0172.11815.06
5.4.370.0132.32115.06
5.4.360.0232.11215.01
5.4.350.0222.12715.04
5.4.340.0152.35715.07
5.4.330.0032.45111.03
5.4.320.0122.10915.10
5.4.310.0082.23411.80
5.4.300.0052.24011.62
5.4.290.0042.24611.81
5.4.280.0052.23511.69
5.4.270.0072.24311.56
5.4.260.0062.23911.60
5.4.250.0042.24411.70
5.4.240.0092.23811.72
5.4.230.0062.23511.61
5.4.220.0062.23211.70
5.4.210.0072.24111.69
5.4.200.0082.23211.75
5.4.190.0062.24711.56
5.4.180.0072.24311.62
5.4.170.0072.24111.64
5.4.160.0072.24611.84
5.4.150.0152.16111.68
5.4.140.0132.08911.68
5.4.130.0041.86411.45
5.4.120.0072.01011.50
5.4.110.0081.96713.71
5.4.100.0101.73513.70
5.4.90.0071.83613.65
5.4.80.0031.99113.81
5.4.70.0052.07113.75
5.4.60.0072.07213.70
5.4.50.0022.12613.61
5.4.40.0082.22813.71
5.4.30.0102.14313.60
5.4.20.0122.14813.53
5.4.10.0032.18313.66
5.4.00.1682.12613.36
5.3.290.2072.18113.11
5.3.280.1722.19213.04
5.3.270.1702.18813.10
5.3.260.1572.21212.47
5.3.250.0032.49212.37
5.3.240.0132.16312.43
5.3.230.0072.10412.40
5.3.220.1431.97512.41
5.3.210.0102.43412.32
5.3.200.0121.74612.39
5.3.190.1871.79212.36
5.3.180.0052.07212.47
5.3.170.0032.10812.44
5.3.160.0222.10612.50
5.3.150.0202.47812.43
5.3.140.0172.21812.40
5.3.130.0352.20512.38
5.3.120.0232.21212.43
5.3.110.0242.19712.49
5.3.100.1592.15612.21
5.3.90.0182.46012.04
5.3.80.0272.20612.05
5.3.70.0232.21112.02
5.3.60.0032.46210.21
5.3.50.0102.48810.21
5.3.40.0032.49210.35
5.3.30.0072.49210.36
5.3.20.0072.42610.21
5.3.10.0002.45610.21
5.3.00.0032.44310.21

preferences:
41.43 ms | 400 KiB | 5 Q