3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vars['x'] = 10; $vars['y'] = 100; $vars['a'] = '1'; $vars['b'] = 1.1; $iterations = 100000; $start = microtime(true); for ($i = 0; $i<$iterations; $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; $i<$iterations; $i++) { $foo = 'from ' . $vars['x'] . ' to ' . $vars['y'] . ' ' . $vars['a'] . ' '. $vars['b']; } var_dump(microtime(true) - $start); $start = microtime(true); for ($i = 0; $i<$iterations; $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)
7.4.00.0070.21115.04
7.3.120.0030.27414.77
7.3.110.0000.26714.84
7.3.100.0030.19914.86
7.3.90.0100.19714.58
7.3.80.0030.18614.99
7.3.70.0130.18314.78
7.3.60.0070.17214.52
7.3.50.0100.17114.88
7.3.40.0000.20614.55
7.3.30.0070.16414.54
7.3.20.0030.22716.77
7.3.10.0070.18516.75
7.3.00.0000.16916.75
7.2.250.0130.20815.30
7.2.240.0030.20715.01
7.2.230.0030.26915.07
7.2.220.0030.20614.71
7.2.210.0000.24214.89
7.2.200.0030.20715.21
7.2.190.0070.20315.05
7.2.180.0030.22415.04
7.2.170.0070.20315.14
7.2.00.0070.12619.36
7.1.330.0030.22315.83
7.1.320.0070.21215.99
7.1.310.0000.22115.96
7.1.300.0130.24015.81
7.1.290.0100.21215.86
7.1.280.0070.21415.73
7.1.270.0070.19615.89
7.1.260.0000.22815.80
7.1.70.0500.12316.93
7.1.60.0030.18719.40
7.1.50.0130.17817.17
7.1.00.0030.24022.45
7.0.200.0000.12016.93
7.0.140.0130.22721.95
7.0.60.0270.19719.85
7.0.50.0070.18717.85
7.0.40.0130.22720.25
7.0.30.0370.15720.02
7.0.20.0270.20020.00
7.0.10.0070.22320.12
7.0.00.0100.18320.30
5.6.280.0030.41721.00
5.6.210.0070.29020.51
5.6.200.0170.26318.22
5.6.190.0070.23720.51
5.6.180.0270.23020.43
5.6.170.0430.28720.38
5.6.160.0030.26020.32
5.6.150.0030.30018.10
5.6.140.0100.26718.16
5.6.130.0100.29018.14
5.6.120.0030.29021.12
5.6.110.0170.28021.13
5.6.100.0100.30020.98
5.6.90.0100.23720.97
5.6.80.0130.23320.39
5.5.350.0070.27320.30
5.5.340.0030.23018.02
5.5.330.0070.22020.06
5.5.320.0500.25720.33
5.5.310.0270.22720.14
5.5.300.0030.28318.01
5.5.290.0030.30717.90
5.5.280.0070.29720.82
5.5.270.0030.22320.98
5.5.260.0100.28320.80
5.5.250.0070.26720.59
5.5.240.0270.27720.26
5.4.450.0400.30719.41
5.4.440.0400.30319.48
5.4.430.0530.31319.40
5.4.420.0670.30019.40
5.4.410.0670.28019.13
5.4.400.0330.33319.25
5.4.390.0530.30319.08
5.4.380.1000.35318.59
5.4.370.0870.35718.69
5.4.360.0500.33718.50
5.4.350.0970.34318.57
5.4.340.1370.43718.61
5.4.320.0090.26312.46
5.4.310.0080.24812.46
5.4.300.0100.23712.46
5.4.290.0080.25812.46
5.4.280.0060.25812.36
5.4.270.0060.25712.36
5.4.260.0120.27812.36
5.4.250.0090.24812.36
5.4.240.0050.26012.36
5.4.230.0050.26712.35
5.4.220.0070.24712.35
5.4.210.0070.24812.35
5.4.200.0100.25512.35
5.4.190.0070.28112.35
5.4.180.0070.26212.35
5.4.170.0040.25812.36
5.4.160.0030.26412.36
5.4.150.0060.26012.35
5.4.140.0060.27212.04
5.4.130.0060.25312.02
5.4.120.0090.26211.98
5.4.110.0070.25311.98
5.4.100.0080.25911.98
5.4.90.0060.27411.97
5.4.80.0050.27111.97
5.4.70.0070.25911.97
5.4.60.0030.26011.97
5.4.50.0050.27211.97
5.4.40.0060.26911.96
5.4.30.0050.28611.96
5.4.20.0040.28111.96
5.4.10.0070.27711.96
5.4.00.0070.26411.45
5.3.290.0080.29412.80
5.3.280.0080.27412.71
5.3.270.0070.27412.72
5.3.260.0100.26712.72
5.3.250.0120.26412.72
5.3.240.0100.27112.72
5.3.230.0070.26112.71
5.3.220.0060.28412.68
5.3.210.0060.27612.68
5.3.200.0060.27312.68
5.3.190.0080.28312.67
5.3.180.0070.27612.68
5.3.170.0090.28012.67
5.3.160.0050.27312.67
5.3.150.0080.27112.68
5.3.140.0080.27412.66
5.3.130.0040.27912.66
5.3.120.0070.27512.66
5.3.110.0090.26812.66
5.3.100.0090.26812.12
5.3.90.0100.26812.08
5.3.80.0100.26912.07
5.3.70.0060.27112.07
5.3.60.0090.26812.07
5.3.50.0040.28712.00
5.3.40.0070.28312.00
5.3.30.0070.26911.96
5.3.20.0070.27211.74
5.3.10.0050.26011.71
5.3.00.0080.27611.69
5.2.170.0060.3039.20
5.2.160.0050.2799.20
5.2.150.0020.2869.20
5.2.140.0030.2809.20
5.2.130.0070.2709.15
5.2.120.0050.2919.15
5.2.110.0070.2779.16
5.2.100.0040.2839.15
5.2.90.0060.2839.16
5.2.80.0060.2839.15
5.2.70.0090.2769.15
5.2.60.0020.2669.11
5.2.50.0080.2759.07
5.2.40.0030.2679.05
5.2.30.0040.2599.03
5.2.20.0020.2909.02
5.2.10.0070.3828.98
5.2.00.0030.4088.83
5.1.60.0030.3488.13
5.1.50.0050.3618.13
5.1.40.0040.3628.11
5.1.30.0100.3678.46
5.1.20.0070.3548.48
5.1.10.0050.3738.20
5.1.00.0100.3918.21
5.0.50.0110.4766.69
5.0.40.0090.4626.54
5.0.30.0010.5436.36
5.0.20.0030.4636.34
5.0.10.0170.5776.32
5.0.00.0060.5366.31
4.4.90.0050.4904.78
4.4.80.0050.4794.75
4.4.70.0030.4644.75
4.4.60.0050.4874.76
4.4.50.0070.5024.77
4.4.40.0060.5004.71
4.4.30.0060.4934.76
4.4.20.0010.4914.85
4.4.10.0030.4694.85
4.4.00.0040.5734.76
4.3.110.0030.4654.67
4.3.100.0050.4764.66
4.3.90.0060.4834.63
4.3.80.0040.4934.61
4.3.70.0000.5294.63
4.3.60.0020.5104.63
4.3.50.0010.5024.62
4.3.40.0030.4914.56
4.3.30.0020.5693.38
4.3.20.0040.5033.35
4.3.10.0070.4703.30
4.3.00.0000.52315.17

preferences:
37.82 ms | 401 KiB | 5 Q