Where can I get phpize binary?

Issue

• What package provides phpize binary?
• While installing ibm_db2 with pecl install ibm_db2 command, it fails with following error:

# pecl install ibm_db2
downloading ibm_db2-1.9.3.tgz ...
Starting to download ibm_db2-1.9.3.tgz (156,494 bytes)
.........................done: 156,494 bytes
5 source files, building
running: phpize
sh: phpize: command not found
ERROR: `phpize' failed.