3v4l.org

run code in 300+ PHP versions simultaneously
<?php $times = 10000; $var = null; $var = new stdClass(); $time1 = microtime(true); for ($i = 0; $i <= $times; $i++) { if (!$var) {} } $time1 = microtime(true) - $time1; //echo "Time using '!': $time1\n"; $time2 = microtime(true); for ($i = 0; $i <= $times; $i++) { if ($var === null) {} } $time2 = microtime(true) - $time2; //echo "Time using '===': $time2\n"; if ($time1 > $time2){ $p = ($time1-$time2)/$time2; echo "'===' was faster by $p%"; } else { $p = ($time2-$time1)/$time1; echo "'!' was faster by $p%"; }

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)
7.4.10.0030.01616.39
7.4.00.0070.01115.58
7.3.130.0120.00616.27
7.3.120.0080.00915.62
7.3.110.0050.01215.71
7.3.100.0080.00715.64
7.3.90.0080.00915.53
7.3.80.0030.01015.66
7.3.70.0060.01015.59
7.3.60.0080.00715.54
7.3.50.0050.01115.60
7.3.40.0070.01015.57
7.3.30.0050.00915.52
7.3.20.0080.00517.48
7.3.10.0070.00816.97
7.3.00.0070.00817.08
7.2.260.0100.00716.42
7.2.250.0050.01115.72
7.2.240.0080.00515.76
7.2.230.0110.00715.99
7.2.220.0050.01115.88
7.2.210.0070.00815.86
7.2.200.0050.01015.64
7.2.190.0040.00715.81
7.2.180.0050.01015.84
7.2.170.0060.00615.80
7.2.160.0030.00716.41
7.2.150.0040.01118.13
7.2.140.0070.00718.45
7.2.130.0120.00317.50
7.2.120.0100.00717.50
7.2.110.0080.00717.44
7.2.100.0090.01017.46
7.2.90.0200.00317.67
7.2.80.0020.01517.37
7.2.70.0100.00717.41
7.2.60.0090.01017.39
7.2.50.0080.00817.52
7.2.40.0120.00417.44
7.2.30.0110.00817.77
7.2.20.0270.00817.74
7.2.10.0120.00917.55
7.2.00.0100.01018.07
7.1.330.0050.01116.58
7.1.320.0050.01316.54
7.1.310.0030.01216.54
7.1.300.0010.01316.55
7.1.290.0040.00916.46
7.1.280.0090.00616.63
7.1.270.0070.00516.54
7.1.260.0070.00516.54
7.1.250.0040.01216.21
7.1.240.0030.00717.21
7.1.230.0040.01217.31
7.1.220.0060.00617.35
7.1.210.0030.01017.17
7.1.200.0040.01117.18
7.1.190.0040.01117.28
7.1.180.0090.00617.29
7.1.170.0040.01517.46
7.1.160.0060.00917.29
7.1.150.0030.01017.42
7.1.140.0030.01017.21
7.1.130.0070.00717.44
7.1.120.0040.01517.40
7.1.110.0030.01117.42
7.1.100.0080.00417.31
7.1.90.0070.01017.36
7.1.80.0100.00317.34
7.1.70.0030.00917.19
7.1.60.0070.01218.35
7.1.50.0060.01517.11
7.1.40.0060.01217.25
7.1.30.0040.00717.45
7.1.20.0100.00317.45
7.1.10.0070.01117.27
7.1.00.0030.04519.83
7.0.330.0100.00617.08
7.0.320.0030.00617.01
7.0.310.0070.00717.03
7.0.300.0030.00617.04
7.0.290.0000.01416.93
7.0.280.0030.01317.09
7.0.270.0080.00616.93
7.0.260.0090.00617.00
7.0.250.0030.00616.96
7.0.240.0030.01217.18
7.0.230.0030.01117.09
7.0.220.0060.01116.88
7.0.210.0060.00617.14
7.0.200.0040.00816.85
7.0.190.0030.01417.17
7.0.180.0040.00816.96
7.0.170.0130.00017.07
7.0.160.0040.01416.97
7.0.150.0040.01216.88
7.0.140.0050.04319.53
7.0.130.0060.00916.86
7.0.120.0060.00917.16
7.0.110.0030.04718.53
7.0.100.0100.03718.55
7.0.90.0080.04418.48
7.0.80.0070.04518.52
7.0.70.0050.04618.56
7.0.60.0100.03918.39
7.0.50.0060.04518.68
7.0.40.0130.03817.55
7.0.30.0050.04417.60
7.0.20.0040.05217.61
7.0.10.0100.03017.64
7.0.00.0050.04917.52
5.6.400.0120.00615.93
5.6.390.0060.01216.13
5.6.380.0070.01115.86
5.6.370.0030.01215.94
5.6.360.0070.01015.94
5.6.350.0060.01315.93
5.6.340.0060.00915.88
5.6.330.0070.01015.68
5.6.320.0040.01216.00
5.6.310.0040.01415.94
5.6.300.0100.00715.59
5.6.290.0060.01615.90
5.6.280.0070.04218.21
5.6.270.0070.00715.86
5.6.260.0030.01315.81
5.6.250.0100.03518.24
5.6.240.0060.05018.19
5.6.230.0030.05018.25
5.6.220.0130.03218.33
5.6.210.0100.04318.26
5.6.200.0020.05118.40
5.6.190.0030.04418.43
5.6.180.0030.03018.50
5.6.170.0040.04418.48
5.6.160.0130.04318.52
5.6.150.0080.04418.46
5.6.140.0070.04518.45
5.6.130.0040.04018.45
5.6.120.0110.04318.43
5.6.110.0000.04418.52
5.6.100.0070.04318.48
5.6.90.0110.04018.40
5.6.80.0030.04818.13
5.6.70.0050.04517.89
5.6.60.0010.04618.11
5.6.50.0070.04618.00
5.6.40.0100.04618.15
5.6.30.0110.04318.10
5.6.20.0050.04318.08
5.6.10.0090.03317.97
5.6.00.0020.04917.92
5.5.380.0100.04218.09
5.5.370.0080.04518.12
5.5.360.0100.04318.10
5.5.350.0080.04818.11
5.5.340.0100.04318.37
5.5.330.0080.04418.32
5.5.320.0070.04418.26
5.5.310.0100.04218.32
5.5.300.0070.04018.39
5.5.290.0090.02618.36
5.5.280.0070.04118.43
5.5.270.0050.03818.30
5.5.260.0110.04318.28
5.5.250.0030.04918.10
5.5.240.0080.04317.85
5.5.230.0050.04817.96
5.5.220.0110.03317.97
5.5.210.0100.04417.86
5.5.200.0070.04517.97
5.5.190.0100.03718.05
5.5.180.0080.04517.85
5.5.170.0070.01015.75
5.5.160.0120.04018.06
5.5.150.0100.04318.03
5.5.140.0030.04217.95
5.5.130.0100.03118.04
5.5.120.0080.04017.75
5.5.110.0070.04017.98
5.5.100.0030.03517.96
5.5.90.0040.04917.87
5.5.80.0120.04018.04
5.5.70.0070.03317.98
5.5.60.0130.03517.83
5.5.50.0070.04517.73
5.5.40.0100.03817.85
5.5.30.0080.04317.87
5.5.20.0070.04017.83
5.5.10.0090.03017.98
5.5.00.0070.04517.82
5.4.450.0000.03115.88
5.4.440.0060.04515.81
5.4.430.0090.04215.99
5.4.420.0070.04515.96
5.4.410.0020.05115.98
5.4.400.0060.04415.76
5.4.390.0100.03815.79
5.4.380.0070.04315.83
5.4.370.0110.04115.70
5.4.360.0050.04415.82
5.4.350.0070.03815.73
5.4.340.0080.04615.77
5.4.330.0120.00312.57
5.4.320.0050.04415.82
5.4.310.0050.04715.65
5.4.300.0040.04615.65
5.4.290.0050.04515.69
5.4.280.0110.03615.75
5.4.270.0120.03715.64
5.4.260.0050.04415.75
5.4.250.0060.04015.73
5.4.240.0050.04615.74
5.4.230.0080.04315.61
5.4.220.0080.03815.79
5.4.210.0100.03815.71
5.4.200.0090.04215.68
5.4.190.0030.04315.73
5.4.180.0070.04015.61
5.4.170.0070.04315.68
5.4.160.0100.03915.74
5.4.150.0030.04715.73
5.4.140.0060.04614.46
5.4.130.0030.04314.52
5.4.120.0050.04314.34
5.4.110.0030.04014.53
5.4.100.0030.03614.34
5.4.90.0070.04414.44
5.4.80.0120.03714.44
5.4.70.0050.03514.29
5.4.60.0110.03514.32
5.4.50.0070.04314.55
5.4.40.0100.03714.48
5.4.30.0070.04014.35
5.4.20.0080.04014.50
5.4.10.0050.04114.29
5.4.00.0060.03814.23
5.3.290.0050.04213.72
5.3.280.0050.04613.60
5.3.270.0050.04413.70
5.3.260.0050.04913.76
5.3.250.0050.03613.71
5.3.240.0080.04413.78
5.3.230.0100.04513.70
5.3.220.0090.04013.71
5.3.210.0080.04813.66
5.3.200.0030.04713.66
5.3.190.0050.05113.80
5.3.180.0100.04013.82
5.3.170.0060.03713.73
5.3.160.0040.03613.85
5.3.150.0120.04213.74
5.3.140.0090.04213.68
5.3.130.0020.03413.66
5.3.120.0130.03713.78
5.3.110.0200.02513.79
5.3.100.0050.04713.51
5.3.90.0100.04013.49
5.3.80.0070.04713.32
5.3.70.0100.04013.33
5.3.60.0080.03813.43
5.3.50.0110.03513.38
5.3.40.0030.04613.52
5.3.30.0060.02813.50
5.3.20.0050.04313.24
5.3.10.0070.02913.12
5.3.00.0070.03813.13
5.2.170.0070.06311.03
5.2.160.0030.06711.07
5.2.150.0000.07011.09
5.2.140.0100.05711.30
5.2.130.0070.05711.03
5.2.120.0070.06311.12
5.2.110.0000.06311.02
5.2.100.0030.07011.26
5.2.90.0030.06711.26
5.2.80.0100.06011.05
5.2.70.0100.04011.00
5.2.60.0070.06010.96
5.2.50.0030.06710.81
5.2.40.0070.03710.93
5.2.30.0070.06310.89
5.2.20.0030.07011.03
5.2.10.0030.06710.74
5.2.00.0070.06010.71
5.1.60.0070.0539.97
5.1.50.0000.0639.99
5.1.40.0100.0479.98
5.1.30.0030.06010.35
5.1.20.0070.05710.49
5.1.10.0030.06010.05
5.1.00.0070.05310.07
5.0.50.0030.0508.54
5.0.40.0030.0478.42
5.0.30.0030.0738.21
5.0.20.0000.0508.27
5.0.10.0070.0478.21
5.0.00.0000.0438.25
4.4.90.0000.0378.21
4.4.80.0000.0438.21
4.4.70.0030.0378.21
4.4.60.0030.0278.21
4.4.50.0070.0378.21
4.4.40.0030.0608.21
4.4.30.0030.0438.21
4.4.20.0070.0378.21
4.4.10.0030.0378.21
4.4.00.0000.0578.21
4.3.110.0000.0438.21
4.3.100.0000.0438.21
4.3.90.0030.0408.21
4.3.80.0070.0578.21
4.3.70.0070.0378.21
4.3.60.0100.0308.21
4.3.50.0100.0238.21
4.3.40.0030.0578.21
4.3.30.0070.0408.21
4.3.20.0000.0408.21
4.3.10.0000.0408.21
4.3.00.0070.0408.21

preferences:
36.06 ms | 401 KiB | 5 Q