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=== Log levels and files in operative systems === ||'''OS''' || '''File'''|| '''Logged levels'''|| ||Slack64 14|| /var/log/messages|| INFO|| ||Slack64 14|| /var/log/syslog|| WARNING ERR CRIT|| ||CentOS 6.4|| /var/log/messages|| INFO WARNING ERR CRIT|| ||Ubuntu 12.04 Precise|| /var/log/syslog|| DEBUG INFO WARNING ERR CRIT|| ||Debian 7.0 Wheezy|| /var/log/syslog ||DEBUG INFO WARNING ERR CRIT|| |
PHP
syslog
Generate a system log message
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1 <?php
2 // levels LOG_EMERG LOG_ALERT LOG_CRIT LOG_ERR LOG_WARNING LOG_NOTICE LOG_INFO LOG_DEBUG
3 syslog(LOG_INFO,'Hello here'); // In Slackware by default logs the message to /var/log/messages
4 ?>
Log levels and files in operative systems
OS |
File |
Logged levels |
Slack64 14 |
/var/log/messages |
INFO |
Slack64 14 |
/var/log/syslog |
WARNING ERR CRIT |
CentOS 6.4 |
/var/log/messages |
INFO WARNING ERR CRIT |
Ubuntu 12.04 Precise |
/var/log/syslog |
DEBUG INFO WARNING ERR CRIT |
Debian 7.0 Wheezy |
/var/log/syslog |
DEBUG INFO WARNING ERR CRIT |
sprintf
Return a formatted string
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1 <?php
2 echo sprintf('There are %d monkeys in the %s', 5, 'tree');
3 ?>
str_replace
Replace all occurrences of the search string with the replacement string
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1 <?php
2 // Returns <body text='black'>
3 $bodytag = str_replace("%body%", "black", "<body text='%body%'>");
4 ?>