PHP common command line

1. PHP runs the specified file

php -f  test.php (-f 可省略)

2. Directly runs the PHP code from the command line

php -r "phpinfo();"

If the result is too long, you can also use php -r “phpinfo();” | less paging display

3. Run PHP in interactive mode

Simple operation

# #The data type returned in the above output result is NULL. This problem can be fixed by asking the php interactive shell to return results using return instead of echo.

Always remember that user-defined functions are not persisted from one shell session to the next, so once you exit the interactive shell, it is lost.

If there is no permission, switch to the root user sudo su

echo &#39;#!/usr/bin/php\n<?php var_dump($argv); ?>&#39; > phpscript

Note that we are in the PHP script The first line uses #!/usr/bin/php, just like in a shell script (/bin/bash). The #!/usr/bin/php on the first line tells the Linux command line to use the PHP interpreter to parse the script file.

Make sure phpscript has executable permissions

chmod u+x phpscript
./phpscript -h --foo
array(3) {
  [0]=>
  string(11) "./phpscript"
  [1]=>
  string(2) "-h"
  [2]=>
  string(5) "--foo"
}

php -m built-in and Modules loaded by Zend

php -i is equivalent to phpinfo()

php -i | grep php.ini View the php configuration file loading path

php –ini Same as above

php -v Check the php version

php –version Same as above

php –re Check whether the corresponding extensions are installed such as php –re gd

More commands php –help

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