Philipper 1:19

turn to my salvation--"turn out to me for, (or unto) salvation." This proclamation of Christ every way will turn out to my spiritual good. Christ, whose interests are my interests, being glorified thereby; and so the coming of His kingdom being furthered, which, when it does come, will bring completed "SALVATION" (Heb 9:28) to me and all whose "earnest expectation" (Phi 1:20) is that Christ may be magnified in them. So far is their preaching from causing me, as they thought, tribulation in my bonds (Phi 1:16). Paul plainly quotes and applies to himself the very words of the Septuagint (Job 13:16), "This shall turn out to my salvation," which belong to all God's people of every age, in their tribulation (compare Job 13:15). through your prayer and the supply--The Greek intimately joins the two nouns together, by having but one preposition and one article: "Through your prayer and (the consequent) supply of the Spirit of Jesus Christ (obtained for me through your prayer)."

He begins with the inscription and benediction (Phi 1:1, Phi 1:2). He gives thanks for the saints at Philippi (Phi 1:3-6). He speaks of his great affection and concern for their spiritual welfare (Phi 1:7, Phi 1:8), his prayers for them (Phi 1:9-11), his care to prevent their offence at his sufferings (Phi 1:12-20), his readiness to glorify Christ by life or death (Phi 1:21-26), and then concludes with a double exhortation to strictness and constancy (Phi 1:27-30).

1:19 this will lead to my deliverance: Paul expected to be released from prison soon (see 1:25-26; 2:24; contrast 2 Tim 4:6, written from prison at a later time when Paul expected death).