3v4l.org

run code in 300+ PHP versions simultaneously
<?php function usage() { if (function_exists('memory_get_usage')) { return memory_get_usage(true); } else { return '?'; } } echo usage()."\n"; $x = '.'; $a = ''; for ($i=0;$i<1000;$i++) //$a = "$a$x"; $a = $a.$x; echo usage()."\n"; unset($a,$x); echo usage()."\n";

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)
7.3.00.0090.00016.62
7.2.130.0000.01116.88
7.2.120.0100.00016.73
7.2.110.0070.00316.67
7.2.100.0060.00316.75
7.2.90.0030.00716.76
7.2.80.0060.00617.12
7.2.70.0080.00417.02
7.2.60.0030.00616.96
7.2.50.0000.01117.00
7.2.40.0030.01017.03
7.2.30.0030.00916.61
7.2.20.0070.00316.80
7.2.10.0000.01116.91
7.2.00.0020.01218.25
7.1.250.0090.00315.73
7.1.240.0000.01015.84
7.1.230.0060.00615.71
7.1.220.0000.00915.27
7.1.210.0030.00715.65
7.1.200.0040.01115.64
7.1.190.0000.01215.68
7.1.180.0060.00315.70
7.1.170.0070.00315.50
7.1.160.0060.00315.40
7.1.150.0050.00515.54
7.1.140.0030.00715.68
7.1.130.0070.00315.48
7.1.120.0030.01015.36
7.1.110.0090.00615.73
7.1.100.0030.00715.61
7.1.90.0040.00815.71
7.1.80.0060.00615.93
7.1.70.0020.00816.52
7.1.60.0050.01117.49
7.1.50.0060.01216.22
7.1.40.0030.01015.98
7.1.30.0130.00015.54
7.1.20.0030.00915.76
7.1.10.0040.00415.80
7.1.00.0070.02818.98
7.0.330.0060.00315.48
7.0.320.0000.00915.01
7.0.310.0000.01015.54
7.0.300.0030.00515.47
7.0.290.0070.00315.38
7.0.280.0000.01115.35
7.0.270.0000.00815.25
7.0.260.0070.00715.32
7.0.250.0030.01015.56
7.0.240.0050.00515.22
7.0.230.0030.00715.37
7.0.220.0100.00315.44
7.0.210.0000.00815.37
7.0.200.0040.00515.89
7.0.190.0000.00715.23
7.0.180.0080.00015.12
7.0.170.0070.00415.34
7.0.160.0000.01015.40
7.0.150.0130.00015.19
7.0.140.0020.04218.63
7.0.130.0000.01015.43
7.0.120.0070.00715.21
7.0.110.0070.00315.27
7.0.100.0070.00715.33
7.0.90.0040.00415.38
7.0.80.0030.00715.50
7.0.70.0020.02218.65
7.0.60.0080.01718.66
7.0.50.0050.02418.81
7.0.40.0070.03816.76
7.0.30.0030.02316.72
7.0.20.0070.03016.77
7.0.10.0030.03016.69
7.0.00.0110.03016.83
5.6.380.0040.00814.11
5.6.370.0000.01014.43
5.6.360.0040.01114.31
5.6.350.0060.00314.22
5.6.340.0110.00014.20
5.6.330.0100.00014.59
5.6.320.0040.00814.82
5.6.310.0090.00614.07
5.6.300.0000.01014.29
5.6.290.0030.01014.12
5.6.280.0030.04217.70
5.6.270.0070.00413.97
5.6.260.0000.01214.33
5.6.250.0070.00714.31
5.6.240.0000.01114.05
5.6.230.0100.00614.13
5.6.220.0080.02217.48
5.6.210.0030.03017.42
5.6.200.0030.02017.59
5.6.190.0080.02817.55
5.6.180.0070.03217.68
5.6.170.0030.02217.83
5.6.160.0020.04317.58
5.6.150.0080.04217.51
5.6.140.0060.03817.54
5.6.130.0050.04217.69
5.6.120.0030.04117.52
5.6.110.0130.04117.71
5.6.100.0030.04817.77
5.6.90.0090.02717.52
5.6.80.0050.03217.21
5.6.70.0070.04417.26
5.6.60.0060.02817.34
5.6.50.0110.04117.22
5.6.40.0020.04517.33
5.6.30.0030.03617.34
5.6.20.0080.04017.21
5.6.10.0060.02817.33
5.6.00.0080.03617.33
5.5.380.0070.00311.18
5.5.370.0040.00811.18
5.5.360.0050.02215.79
5.5.350.0040.02115.82
5.5.340.0000.03215.97
5.5.330.0070.02716.08
5.5.320.0070.01816.03
5.5.310.0020.02515.97
5.5.300.0050.03015.91
5.5.290.0060.02215.99
5.5.280.0060.03516.10
5.5.270.0020.04616.15
5.5.260.0030.04015.91
5.5.250.0060.04215.89
5.5.240.0070.03715.64
5.5.230.0080.03215.66
5.5.220.0080.02515.67
5.5.210.0050.02615.68
5.5.200.0120.03815.71
5.5.190.0090.03415.66
5.5.180.0030.03115.71
5.5.170.0130.00311.23
5.5.160.0080.03815.62
5.5.150.0070.03815.66
5.5.140.0080.04415.72
5.5.130.0020.04415.68
5.5.120.0040.04415.76
5.5.110.0020.03515.72
5.5.100.0050.02915.65
5.5.90.0020.03815.56
5.5.80.0010.03615.63
5.5.70.0050.04015.61
5.5.60.0000.03815.65
5.5.50.0040.02515.66
5.5.40.0030.04215.64
5.5.30.0050.04015.62
5.5.20.0070.04215.59
5.5.10.0040.03015.63
5.5.00.0070.02915.68
5.4.450.0070.03815.36
5.4.440.0070.04115.40
5.4.430.0040.04515.31
5.4.420.0060.04115.32
5.4.410.0060.03815.25
5.4.400.0050.04015.13
5.4.390.0050.04215.13
5.4.380.0100.02815.13
5.4.370.0070.02315.10
5.4.360.0030.03115.18
5.4.350.0080.03815.15
5.4.340.0080.03815.04
5.4.330.0060.00611.18
5.4.320.0070.02515.04
5.4.310.0070.04315.10
5.4.300.0050.04015.19
5.4.290.0030.03615.15
5.4.280.0070.04015.21
5.4.270.0120.02515.01
5.4.260.0030.03515.13
5.4.250.0050.04315.20
5.4.240.0080.02715.02
5.4.230.0000.03515.13
5.4.220.0030.03315.20
5.4.210.0050.03815.14
5.4.200.0030.03915.15
5.4.190.0030.04215.03
5.4.180.0000.04415.10
5.4.170.0050.04015.12
5.4.160.0070.03715.05
5.4.150.0020.03515.00
5.4.140.0020.04413.76
5.4.130.0030.04013.79
5.4.120.0020.04313.82
5.4.110.0050.03313.80
5.4.100.0050.03713.78
5.4.90.0050.03313.73
5.4.80.0040.04113.75
5.4.70.0030.04213.76
5.4.60.0040.03813.77
5.4.50.0070.03713.83
5.4.40.0080.03813.81
5.4.30.0030.04113.74
5.4.20.0030.03813.82
5.4.10.0030.04013.83
5.4.00.0020.03213.53
5.3.290.0030.04212.97
5.3.280.0050.04112.91
5.3.270.0070.02412.97
5.3.260.0030.03812.87
5.3.250.0020.03612.89
5.3.240.0030.04012.93
5.3.230.0070.03712.96
5.3.220.0100.02712.85
5.3.210.0070.04012.88
5.3.200.0050.02712.85
5.3.190.0020.04712.89
5.3.180.0030.02512.93
5.3.170.0020.04412.88
5.3.160.0040.04312.95
5.3.150.0020.04012.88
5.3.140.0000.04312.91
5.3.130.0070.03612.92
5.3.120.0050.02812.89
5.3.110.0040.03812.93
5.3.100.0030.04212.59
5.3.90.0020.04012.57
5.3.80.0090.02712.65
5.3.70.0030.04112.57
5.3.60.0020.04012.63
5.3.50.0000.04312.61
5.3.40.0030.04312.63
5.3.30.0080.03512.56
5.3.20.0050.03812.48
5.3.10.0070.03212.44
5.3.00.0050.03712.45
5.2.170.0040.02812.24
5.2.160.0030.02312.24
5.2.150.0020.03512.24
5.2.140.0030.03012.24
5.2.130.0050.03012.24
5.2.120.0000.02012.24
5.2.110.0020.03512.24
5.2.100.0030.03312.24
5.2.90.0040.02512.24
5.2.80.0010.03612.24
5.2.70.0020.03612.24
5.2.60.0030.03312.24
5.2.50.0030.03512.24
5.2.40.0030.03212.24
5.2.30.0030.03412.24
5.2.20.0040.03212.24
5.2.10.0020.03412.24
5.2.00.0030.03312.24
5.1.60.0030.03012.24
5.1.50.0000.02212.24
5.1.40.0070.02712.24
5.1.30.0030.02412.24
5.1.20.0020.02012.24
5.1.10.0060.02512.24
5.1.00.0070.02812.24
5.0.50.0000.02712.24
5.0.40.0050.02312.24
5.0.30.0040.03612.24
5.0.20.0030.02312.24
5.0.10.0020.02612.24
5.0.00.0060.02812.24
4.4.90.0020.02112.24
4.4.80.0020.02312.24
4.4.70.0010.02012.24
4.4.60.0030.01812.24
4.4.50.0060.01712.24
4.4.40.0000.02912.24
4.4.30.0020.02212.24
4.4.20.0000.01812.24
4.4.10.0030.01812.24
4.4.00.0000.02212.24
4.3.110.0040.01712.24
4.3.100.0030.01512.24
4.3.90.0030.01012.24
4.3.80.0020.03012.24
4.3.70.0030.01812.24
4.3.60.0030.01812.24
4.3.50.0070.01612.24
4.3.40.0000.02612.24
4.3.30.0000.01712.24
4.3.20.0030.01412.24
4.3.10.0020.01412.24
4.3.00.0030.01812.24

preferences:
39.3 ms | 401 KiB | 5 Q