请问php: command not found是怎么回事呢

[anbol]

[*] Try to use Laravel/RCE2 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Laravel/RCE2 Result:


[*] Try to use Laravel/RCE3 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Laravel/RCE3 Result:


[*] Try to use Laravel/RCE5 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Laravel/RCE5 Result:


[*] Try to use Laravel/RCE6 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Laravel/RCE6 Result:


[*] Try to use Laravel/RCE7 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Laravel/RCE7 Result:


[*] Try to use Monolog/RCE2 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Monolog/RCE2 Result:


[*] Try to use Monolog/RCE3 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Monolog/RCE3 Result:


[*] Try to use Laravel/RCE4 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Laravel/RCE4 Result:


[*] Try to use Laravel/RCE1 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Laravel/RCE1 Result:


[*] Try to use Monolog/RCE1 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Monolog/RCE1 Result:


[*] Try to use Monolog/RCE4 for exploitation.
/bin/sh: line 1: php: command not found
[+]exploit:
[*] Monolog/RCE4 Result