3v4l.org

run code in 300+ PHP versions simultaneously
<?php // casting vs. converting $a="123456789098734098710823740812038401982703489710289743089170289347019827034978"; $a*="123456789098734098710823740812038401982703489710289743089170289347019827034978"; $a*="123456789098734098710823740812038401982703489710289743089170289347019827034978"; $a*="12345678909873409871082374081203848768767896777556666689170289347019827034978"; const runs=10000000; $start=microtime(1); for ($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)
7.4.00.0100.55814.96
7.3.120.0080.38915.06
7.3.110.0030.58814.72
7.3.100.0080.45014.88
7.3.90.0070.51314.96
7.3.80.0030.50014.82
7.3.70.0050.47314.89
7.3.60.0070.49114.77
7.3.50.0070.44514.60
7.3.40.0080.47614.79
7.3.30.0080.39614.79
7.3.20.0020.56116.45
7.3.10.0050.42916.59
7.3.00.0030.43616.59
7.2.250.0070.60315.14
7.2.240.0120.48114.96
7.2.230.0020.60115.02
7.2.220.0050.51315.05
7.2.210.0080.48615.15
7.2.200.0050.49815.18
7.2.190.0030.46914.95
7.2.180.0080.61215.16
7.2.170.0030.40714.91
7.2.160.0030.52415.26
7.2.150.0070.42316.87
7.2.140.0030.50316.70
7.2.130.0070.57817.13
7.2.120.0030.58117.09
7.2.110.0070.63516.89
7.2.100.0030.43717.07
7.2.90.0070.63116.98
7.2.80.0000.42116.93
7.2.70.0030.45917.09
7.2.60.0070.63517.10
7.2.50.0030.63616.90
7.2.40.0070.61716.95
7.2.30.0070.39116.94
7.2.20.0070.63816.88
7.2.10.0000.65316.94
7.2.00.0070.63916.97
7.1.330.0031.41415.80
7.1.320.0051.37115.90
7.1.310.0021.31215.87
7.1.300.0071.34615.68
7.1.290.0071.34315.91
7.1.280.0021.28015.80
7.1.270.0051.33115.69
7.1.260.0021.26915.75
7.1.250.0031.59615.46
7.1.240.0031.54115.77
7.1.230.0071.41615.72
7.1.220.0071.49215.74
7.1.210.0071.32315.83
7.1.200.0001.45615.77
7.1.190.0031.55615.82
7.1.180.0001.29315.68
7.1.170.0031.44315.71
7.1.160.0031.56215.92
7.1.150.0031.30515.79
7.1.140.0071.22315.50
7.1.130.0031.30115.95
7.1.120.0031.58615.72
7.1.110.0001.51715.59
7.1.100.0031.22615.93
7.1.90.0071.24515.96
7.1.80.0031.56815.79
7.1.70.0051.00616.30
7.1.60.0050.89717.63
7.1.50.0100.85616.19
7.1.40.0001.25015.95
7.1.30.0071.28015.78
7.1.20.0101.59115.71
7.1.10.0071.49715.93
7.1.00.0050.95919.25
7.0.330.0031.39015.55
7.0.320.0001.55815.61
7.0.310.0071.25215.18
7.0.300.0031.51115.63
7.0.290.0031.58015.62
7.0.280.0071.39115.36
7.0.270.0101.38315.48
7.0.260.0001.43915.45
7.0.250.0001.56715.41
7.0.240.0071.53715.36
7.0.230.0071.21115.65
7.0.220.0031.56915.48
7.0.210.0031.54315.34
7.0.200.0050.98416.16
7.0.190.0001.36915.54
7.0.180.0071.55415.48
7.0.170.0031.55515.54
7.0.160.0001.37815.52
7.0.150.0001.23115.25
7.0.140.0051.02618.72
7.0.130.0101.57915.54
7.0.120.0071.36815.48
7.0.110.0031.54315.24
7.0.100.0031.60815.63
7.0.90.0031.51215.14
7.0.80.0071.60615.28
7.0.70.0071.59315.39
7.0.60.0050.95617.70
7.0.50.0051.05216.62
7.0.40.0050.89516.84
7.0.30.0130.83516.88
7.0.20.0200.90616.87
7.0.10.0051.05216.81
7.0.00.0081.01316.67
5.6.400.0032.49414.47
5.6.390.0032.49514.37
5.6.380.0032.49514.41
5.6.370.0102.48414.20
5.6.360.0002.49914.42
5.6.350.0032.49514.76
5.6.340.0002.49914.55
5.6.330.0032.49314.73
5.6.320.0002.49814.34
5.6.310.0072.49114.23
5.6.300.0002.49814.22
5.6.290.0032.49014.73
5.6.280.0031.74917.56
5.6.270.0032.49214.21
5.6.260.0002.49814.62
5.6.250.0032.49214.13
5.6.240.0072.49014.37
5.6.230.0032.49614.33
5.6.220.0102.48914.24
5.6.210.0021.66917.50
5.6.200.0131.68816.32
5.6.190.0071.68817.35
5.6.180.0171.69417.40
5.6.170.0121.68417.52
5.6.160.0021.68117.54
5.6.150.0051.69616.33
5.6.140.0071.69016.19
5.6.130.0021.68416.22
5.6.120.0071.69617.73
5.6.110.0051.70117.70
5.6.100.0051.69217.65
5.6.90.0521.66417.75
5.6.80.0051.65717.40
5.6.70.0072.49214.42
5.6.60.0132.48414.43
5.6.50.0072.49214.64
5.6.40.0102.48314.14
5.6.30.0032.49314.45
5.6.20.0072.49214.24
5.6.10.0072.48514.39
5.6.00.0002.49914.29
5.5.380.0072.49114.08
5.5.370.0002.49814.30
5.5.360.0032.48814.16
5.5.350.0051.69417.46
5.5.340.0081.69316.24
5.5.330.0071.69817.34
5.5.320.0001.70417.47
5.5.310.0171.68817.22
5.5.300.0031.75816.14
5.5.290.0051.70116.25
5.5.280.0131.68917.49
5.5.270.0031.69517.56
5.5.260.0051.69717.44
5.5.250.0051.67117.43
5.5.240.0151.69217.12
5.5.230.0032.49614.31
5.5.220.0032.49414.05
5.5.210.0072.49214.09
5.5.200.0032.49514.36
5.5.190.0032.49514.38
5.5.180.0102.48814.51
5.5.170.0032.49514.36
5.5.160.0032.49514.15
5.5.150.0032.49414.17
5.5.140.0032.48814.45
5.5.130.0072.46114.13
5.5.120.0132.48414.13
5.5.110.0032.44614.36
5.5.100.0002.49914.34
5.5.90.0132.48614.41
5.5.80.0032.48814.43
5.5.70.0032.49414.57
5.5.60.0102.48713.98
5.5.50.0002.49913.93
5.5.40.0002.49914.59
5.5.30.0002.49914.35
5.5.20.0102.48814.57
5.5.10.0072.49314.46
5.5.00.0002.49914.32
5.4.450.0171.70415.63
5.4.440.0151.67315.63
5.4.430.0131.64615.48
5.4.420.0181.68615.63
5.4.410.0101.69715.49
5.4.400.0101.64815.55
5.4.390.0071.70615.48
5.4.380.0121.64715.47
5.4.370.0131.67415.39
5.4.360.0751.66315.47
5.4.350.0131.68615.56
5.4.340.0171.67715.47
5.4.330.0002.49911.85
5.4.320.0231.72015.46
5.4.310.0131.67415.50
5.4.300.0181.66415.49
5.4.290.0081.75115.53
5.4.280.0121.63615.54
5.4.270.0121.64715.56
5.4.260.0101.64915.46
5.4.250.0121.68115.38
5.4.240.0201.67715.50
5.4.230.0171.65715.37
5.4.220.0171.69315.38
5.4.210.0701.66815.32
5.4.200.0571.66915.49
5.4.190.0201.67815.48
5.4.180.0121.67415.54
5.4.170.0151.72915.46
5.4.160.0131.68915.35
5.4.150.0171.70115.49
5.4.140.0151.68514.04
5.4.130.0121.71814.13
5.4.120.0171.67714.10
5.4.110.0131.68914.15
5.4.100.0151.69113.98
5.4.90.0151.71614.04
5.4.80.0131.69414.05
5.4.70.0121.70714.05
5.4.60.0201.67914.13
5.4.50.0131.68714.13
5.4.40.0081.65014.02
5.4.30.0121.64914.10
5.4.20.0131.64814.15
5.4.10.0121.67314.03
5.4.00.0181.68113.87
5.3.290.0181.92213.27
5.3.280.0101.90313.24
5.3.270.0121.96413.16
5.3.260.0131.92913.26
5.3.250.0151.91313.18
5.3.240.0181.91113.20
5.3.230.0181.96813.14
5.3.220.0201.92413.19
5.3.210.0171.89313.18
5.3.200.0201.91413.13
5.3.190.0132.01913.14
5.3.180.0151.93613.14
5.3.170.0131.91613.19
5.3.160.0181.92213.14
5.3.150.0171.91013.22
5.3.140.0171.92313.17
5.3.130.0131.94213.17
5.3.120.0081.88613.15
5.3.110.0151.93113.17
5.3.100.0122.02812.97
5.3.90.0131.92412.97
5.3.80.0121.94812.97
5.3.70.0131.91512.97
5.3.60.0201.93812.97
5.3.50.0051.89712.85
5.3.40.0171.96612.83
5.3.30.0201.96612.85
5.3.20.0151.92812.66
5.3.10.0151.95912.71
5.3.00.0121.88212.67
5.2.170.0270.05312.95
5.2.160.0270.05712.95
5.2.150.0230.05012.95
5.2.140.0230.05312.95
5.2.130.0200.05312.95
5.2.120.0270.04712.95
5.2.110.0270.04312.95
5.2.100.0200.04712.95
5.2.90.0300.02312.95
5.2.80.0200.05012.95
5.2.70.0170.05312.95
5.2.60.0200.03312.95
5.2.50.0230.05312.95
5.2.40.0270.05012.95
5.2.30.0170.05012.95
5.2.20.0200.05712.95
5.2.10.0170.05012.95
5.2.00.0200.04312.95
5.1.60.0230.02712.95
5.1.50.0130.03712.95
5.1.40.0170.04312.95
5.1.30.0170.03012.95
5.1.20.0200.05012.95
5.1.10.0230.05012.95
5.1.00.0170.04312.95
5.0.50.0100.04312.95
5.0.40.0130.02712.95
5.0.30.0070.04012.95
5.0.20.0100.02312.95
5.0.10.0100.04712.95
5.0.00.0070.03312.95
4.4.90.0100.02312.95
4.4.80.0030.04012.95
4.4.70.0100.02712.95
4.4.60.0170.02712.95
4.4.50.0100.03312.95
4.4.40.0100.05712.95
4.4.30.0170.02712.95
4.4.20.0130.03012.95
4.4.10.0170.01312.95
4.4.00.0100.05312.95
4.3.110.0130.02012.95
4.3.100.0130.02012.95
4.3.90.0100.03312.95
4.3.80.0100.02712.95
4.3.70.0100.03312.95
4.3.60.0170.02712.95
4.3.50.0100.03712.95
4.3.40.0070.04312.95
4.3.30.0070.02012.95
4.3.20.0030.01712.95
4.3.10.0070.01312.95
4.3.00.0030.02312.95

preferences:
33.59 ms | 401 KiB | 5 Q