3v4l.org

run code in 300+ PHP versions simultaneously
<?php // casting vs. converting $a="123456789098734098710823740812038401982703489710289743089170289347019827034978"; $a*="123456789098734098710823740812038401982703489710289743089170289347019827034978"; $a*="123456789098734098710823740812038401982703489710289743089170289347019827034978"; $a*="12345678909873409871082374081203848768767896777556666689170289347019827034978"; const runs=100000; $start=microtime(1); for ($i=1;$i<runs;$i++) if ($start+0); print 'Time: '.(microtime(1)-$start)."<br>\n"; $start=microtime(1); for ($i=1;$i<runs;$i++) if ((int)$start); print 'Time: '.(microtime(1)-$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)
7.4.10.0030.01614.95
7.4.00.0100.01414.71
7.3.130.0090.01214.95
7.3.120.0120.01214.77
7.3.110.0060.01514.97
7.3.100.0130.00714.86
7.3.90.0110.00414.91
7.3.80.0100.01015.03
7.3.70.0030.01614.84
7.3.60.0110.01114.39
7.3.50.0040.00814.93
7.3.40.0000.01614.95
7.3.30.0060.00614.86
7.3.20.0000.01716.45
7.3.10.0080.01016.53
7.3.00.0030.01216.64
7.2.260.0070.01415.23
7.2.250.0030.02015.05
7.2.240.0060.01515.27
7.2.230.0000.02015.26
7.2.220.0030.01415.15
7.2.210.0070.01415.36
7.2.200.0090.00915.11
7.2.190.0030.01315.11
7.2.180.0030.01615.29
7.2.170.0120.00915.20
7.2.160.0120.00415.09
7.2.150.0030.01917.07
7.2.140.0070.01416.99
7.2.130.0050.01416.84
7.2.120.0030.01216.84
7.2.110.0090.01016.88
7.2.100.0090.01116.89
7.2.90.0120.01016.99
7.2.80.0060.01116.88
7.2.70.0080.01316.83
7.2.60.0050.01216.79
7.2.50.0050.01516.86
7.2.40.0090.00916.84
7.2.30.0080.01216.93
7.2.20.0080.01217.04
7.2.10.0050.01616.72
7.2.00.0080.01317.75
7.1.330.0070.02015.45
7.1.320.0160.01315.95
7.1.310.0030.02315.68
7.1.300.0150.01215.71
7.1.290.0000.02515.80
7.1.280.0060.01915.58
7.1.270.0060.02315.82
7.1.260.0000.02915.58
7.1.250.0050.02015.78
7.1.240.0000.01915.58
7.1.230.0110.01815.91
7.1.220.0030.02015.73
7.1.210.0100.01615.82
7.1.200.0030.02415.77
7.1.190.0090.01815.98
7.1.180.0060.01515.91
7.1.170.0070.02015.95
7.1.160.0130.01315.68
7.1.150.0030.02315.82
7.1.140.0090.01815.87
7.1.130.0070.02115.95
7.1.120.0030.02015.43
7.1.110.0070.01815.80
7.1.100.0000.02615.80
7.1.90.0070.02115.79
7.1.80.0100.01815.65
7.1.70.0080.01716.35
7.1.60.0070.02117.60
7.1.50.0070.01916.43
7.1.40.0000.02715.67
7.1.30.0090.01315.59
7.1.20.0000.02715.88
7.1.10.0030.01615.75
7.1.00.0040.03119.07
7.0.330.0000.02415.46
7.0.320.0000.02515.27
7.0.310.0040.02515.62
7.0.300.0030.02115.38
7.0.290.0110.01415.50
7.0.280.0030.02415.49
7.0.270.0000.02315.47
7.0.260.0060.01915.44
7.0.250.0030.02115.63
7.0.240.0030.02015.25
7.0.230.0070.02115.41
7.0.220.0000.02515.49
7.0.210.0030.02315.53
7.0.200.0030.01516.14
7.0.190.0000.02515.52
7.0.180.0060.01615.58
7.0.170.0030.02315.50
7.0.160.0060.02215.46
7.0.150.0030.01615.50
7.0.140.0060.04618.68
7.0.130.0070.01815.45
7.0.120.0000.02515.45
7.0.110.0060.02115.36
7.0.100.0000.02615.35
7.0.90.0030.02315.50
7.0.80.0070.02015.48
7.0.70.0060.05417.63
7.0.60.0020.05817.59
7.0.50.0070.06117.98
7.0.40.0130.05316.73
7.0.30.0050.04416.85
7.0.20.0120.05216.77
7.0.10.0100.05316.78
7.0.00.0130.02816.80
5.6.400.0070.03114.18
5.6.390.0030.03214.46
5.6.380.0030.03714.51
5.6.370.0060.03514.28
5.6.360.0130.03314.50
5.6.350.0030.03414.55
5.6.340.0000.04114.61
5.6.330.0030.03814.59
5.6.320.0030.03814.57
5.6.310.0030.03214.72
5.6.300.0100.02714.07
5.6.290.0100.02913.97
5.6.280.0080.05717.65
5.6.270.0060.03214.64
5.6.260.0000.03714.36
5.6.250.0070.03914.44
5.6.240.0030.04114.51
5.6.230.0100.03014.49
5.6.220.0070.06417.54
5.6.210.0100.04317.59
5.6.200.0080.05617.74
5.6.190.0060.04917.74
5.6.180.0050.06917.76
5.6.170.0080.05017.56
5.6.160.0030.04517.71
5.6.150.0030.04217.61
5.6.140.0120.04017.71
5.6.130.0070.04217.77
5.6.120.0050.04317.63
5.6.110.0060.05717.72
5.6.100.0050.06017.65
5.6.90.0080.06217.63
5.6.80.0050.06417.36
5.6.70.0030.04117.42
5.6.60.0030.04917.41
5.6.50.0050.04917.27
5.6.40.0050.04317.46
5.6.30.0080.04317.28
5.6.20.0070.03917.54
5.6.10.0070.05117.39
5.6.00.0070.04517.27
5.5.380.0000.03914.02
5.5.370.0100.02914.52
5.5.360.0080.06517.43
5.5.350.0050.06917.36
5.5.340.0070.06817.68
5.5.330.0130.06017.54
5.5.320.0070.06217.57
5.5.310.0050.06017.56
5.5.300.0070.04717.71
5.5.290.0020.04617.72
5.5.280.0080.03817.56
5.5.270.0030.04517.55
5.5.260.0070.04217.43
5.5.250.0100.03717.33
5.5.240.0030.04017.14
5.5.230.0100.03717.24
5.5.220.0030.04017.11
5.5.210.0030.04517.22
5.5.200.0050.04117.28
5.5.190.0030.04317.22
5.5.180.0080.05017.17
5.5.170.0100.03414.30
5.5.160.0030.04217.29
5.5.150.0050.04017.20
5.5.140.0020.04217.32
5.5.130.0000.04417.29
5.5.120.0080.05317.30
5.5.110.0080.06517.34
5.5.100.0020.06917.19
5.5.90.0070.06117.23
5.5.80.0120.05217.31
5.5.70.0130.05917.21
5.5.60.0050.06217.05
5.5.50.0120.05817.22
5.5.40.0030.06517.15
5.5.30.0030.06917.25
5.5.20.0070.06117.29
5.5.10.0100.06117.20
5.5.00.0070.06017.16
5.4.450.0020.04516.27
5.4.440.0050.04116.32
5.4.430.0050.04716.31
5.4.420.0050.04016.27
5.4.410.0030.03816.26
5.4.400.0060.04216.17
5.4.390.0000.04316.11
5.4.380.0030.03916.13
5.4.370.0030.03916.03
5.4.360.0080.03816.15
5.4.350.0020.04016.11
5.4.340.0020.04316.17
5.4.330.0070.03713.25
5.4.320.0030.04116.04
5.4.310.0020.03616.20
5.4.300.0020.04316.19
5.4.290.0070.06216.03
5.4.280.0060.05216.19
5.4.270.0070.05916.16
5.4.260.0050.06416.15
5.4.250.0080.05916.15
5.4.240.0070.05416.10
5.4.230.0080.05316.17
5.4.220.0060.06216.07
5.4.210.0080.06116.03
5.4.200.0030.04316.18
5.4.190.0070.06116.10
5.4.180.0060.05616.03
5.4.170.0100.05416.19
5.4.160.0050.06216.17
5.4.150.0100.05716.19
5.4.140.0050.05714.84
5.4.130.0050.06214.78
5.4.120.0050.04714.79
5.4.110.0050.05014.76
5.4.100.0080.06114.86
5.4.90.0020.04814.84
5.4.80.0070.05614.82
5.4.70.0070.06214.80
5.4.60.0030.06214.72
5.4.50.0100.04614.74
5.4.40.0030.05614.83
5.4.30.0100.05614.78
5.4.20.0100.05714.81
5.4.10.0080.06014.77
5.4.00.0100.04814.38
5.3.290.0080.04313.95
5.3.280.0050.06913.92
5.3.270.0030.07013.85
5.3.260.0030.04813.85
5.3.250.0080.06813.86
5.3.240.0070.07113.84
5.3.230.0080.05513.89
5.3.220.0050.06913.86
5.3.210.0050.06113.89
5.3.200.0020.06513.88
5.3.190.0050.06213.91
5.3.180.0080.06013.91
5.3.170.0050.07313.89
5.3.160.0020.07413.84
5.3.150.0050.07113.90
5.3.140.0020.07513.83
5.3.130.0050.06913.89
5.3.120.0070.07013.90
5.3.110.0050.06713.88
5.3.100.0050.06913.62
5.3.90.0020.07313.63
5.3.80.0050.07213.62
5.3.70.0030.07213.52
5.3.60.0020.06713.61
5.3.50.0030.08013.53
5.3.40.0080.06413.48
5.3.30.0050.07113.55
5.3.20.0070.07013.42
5.3.10.0020.07113.43
5.3.00.0020.05113.32
5.2.170.0030.05311.13
5.2.160.0000.05011.14
5.2.150.0030.06311.18
5.2.140.0130.05711.12
5.2.130.0030.06311.02
5.2.120.0030.03311.09
5.2.110.0030.04011.02
5.2.100.0030.02711.12
5.2.90.0100.05711.12
5.2.80.0000.03711.06
5.2.70.0030.06711.05
5.2.60.0070.02711.00
5.2.50.0070.06010.86
5.2.40.0130.05311.07
5.2.30.0070.06010.96
5.2.20.0000.06310.95
5.2.10.0070.04310.93
5.2.00.0000.06710.86
5.1.60.0100.05010.86
5.1.50.0030.04010.86
5.1.40.0030.05310.86
5.1.30.0070.05310.86
5.1.20.0030.04310.86
5.1.10.0100.04710.86
5.1.00.0000.04010.86
5.0.50.0000.04310.86
5.0.40.0030.04310.86
5.0.30.0000.07010.86
5.0.20.0030.04310.86
5.0.10.0100.03010.86
5.0.00.0070.05710.86
4.4.90.0000.03710.86
4.4.80.0070.01010.86
4.4.70.0070.03310.86
4.4.60.0000.04010.86
4.4.50.0000.03710.86
4.4.40.0030.05310.86
4.4.30.0100.01310.86
4.4.20.0000.03710.86
4.4.10.0000.03310.86
4.4.00.0000.05710.86
4.3.110.0030.03310.86
4.3.100.0070.02710.86
4.3.90.0070.03010.86
4.3.80.0000.04710.86
4.3.70.0030.03710.86
4.3.60.0030.02710.86
4.3.50.0030.03710.86
4.3.40.0000.04010.86
4.3.30.0000.04010.86
4.3.20.0030.03010.86
4.3.10.0070.03310.86
4.3.00.0070.03010.86

preferences:
38.12 ms | 401 KiB | 5 Q