php - proc_open() path problem -

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I am using Linux and PHP 5.2.12

I have a problem executing proc_open

If I use 

  proc_open ('php script.php', $ descriptorspec, $ pipes);

This will show me the error 

  sh: / php: Any such file or directory

If I do not use Does 

  proc_open ('/ usr / bin / php script.php', $ descriptorspec, $ pipe);

or 

  proc_open ('php script.php', $ descriptorspec, $ pipe, '/ usr / bin /');

It still shows me the same error.

I do not know why it always engages the slash in front of the order.

Any help please?

if you do not want to turn off Safe Mode By the way, just set it in your php.ini file 

  safe_mode_exec_dir = "/ usr / bin"

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