php获取包含10w个手机号的txt文件（逗号隔开）

txt文件格式如下 13000000000,13000000005,13000000403,13001010129,13001010688,13001010838,13001016389,13001019538,13001030005,13001042700,13001047495,13001049871,13001072727,13001086166,13001103598,13001108955,13001119191,13001119326,13001119381,130...