3v4l.org

run code in 300+ PHP versions simultaneously
<?php function cointoss () { return mt_rand(0,1); } $previous_toss = null; $toss = null; do { if ($toss !== null) { $previous_toss = $toss; } $toss = cointoss(); echo ($toss ? '<img src="heads.jpg"/>' : '<img src="tails.jpg"/>') , "\n"; } while ($previous_toss + $toss != 2);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.1.30.0120.00617.61
8.1.20.0200.00717.63
8.1.10.0210.00317.48
8.1.00.0170.01017.45
8.0.160.0180.00316.84
8.0.150.0180.00316.84
8.0.140.0170.00416.85
8.0.130.0150.00516.75
8.0.120.0140.00516.85
8.0.110.0100.01016.89
8.0.100.0160.00316.88
8.0.90.0130.00616.78
8.0.80.0150.00416.70
8.0.70.0160.00416.78
8.0.60.0100.00816.71
8.0.50.0140.00516.89
8.0.30.0130.00716.89
8.0.20.0140.00917.09
8.0.10.0130.00817.08
8.0.00.0100.00717.13
7.4.280.0110.01116.48
7.4.270.0110.01116.40
7.4.260.0170.00616.51
7.4.250.0160.00616.46
7.4.240.0090.00916.61
7.4.230.0140.00716.39
7.4.220.0150.00416.40
7.4.210.0130.00716.39
7.4.200.0030.00816.46
7.4.190.0100.00316.52
7.4.180.0090.00516.64
7.4.160.0110.00716.43
7.4.150.0100.00716.31
7.4.140.0110.00616.44
7.4.130.0150.00316.50
7.4.120.0170.00516.49
7.4.110.0100.00816.52
7.4.100.0100.01016.36
7.4.90.0160.00716.44
7.4.80.0140.00616.43
7.4.70.0090.00916.42
7.4.60.0130.00516.30
7.4.50.0110.00816.35
7.4.40.0120.00716.48
7.4.30.0150.00516.54
7.4.20.0090.00816.34
7.4.10.0130.00616.40
7.4.00.0110.00916.45
7.3.330.0090.00916.13
7.3.320.0190.00016.41
7.3.310.0210.00016.31
7.3.300.0130.00516.32
7.3.290.0130.00616.42
7.3.280.0190.00416.24
7.3.270.0080.01016.25
7.3.260.0110.00816.31
7.3.250.0110.00916.38
7.3.240.0140.00816.41
7.3.230.0110.00816.35
7.3.220.0130.00716.30
7.3.210.0140.00516.50
7.3.200.0090.01216.26
7.3.190.0090.00816.29
7.3.180.0150.00716.49
7.3.170.0140.00616.37
7.3.160.0130.00516.23
7.3.150.0140.00616.36
7.3.140.0080.00916.24
7.3.130.0120.00616.30
7.3.120.0120.01116.35
7.3.110.0120.00616.33
7.3.100.0090.00816.32
7.3.90.0130.00416.44
7.3.80.0120.00616.30
7.3.70.0090.00816.29
7.3.60.0120.00516.29
7.3.50.0130.00516.39
7.3.40.0100.00816.34
7.3.30.0080.01016.33
7.3.20.0200.00616.07
7.3.10.0220.00516.07
7.3.00.0190.00516.08
7.2.340.0140.01016.53
7.2.330.0120.01216.50
7.2.320.0130.00716.42
7.2.310.0170.00316.36
7.2.300.0120.00816.47
7.2.290.0120.00816.40
7.2.280.0150.00916.48
7.2.270.0170.00616.54
7.2.260.0120.00716.46
7.2.250.0120.00716.40
7.2.240.0120.00816.42
7.2.230.0110.00616.54
7.2.220.0110.01016.57
7.2.210.0140.01016.50
7.2.200.0170.00516.50
7.2.190.0120.01116.56
7.2.180.0160.00716.50
7.2.170.0100.01116.54
7.2.160.0140.00816.47
7.2.150.0180.01016.19
7.2.140.0230.00716.25
7.2.130.0180.01016.31
7.2.120.0200.01016.27
7.2.110.0230.00616.28
7.2.100.0240.00716.22
7.2.90.0260.00916.24
7.2.80.0340.00516.23
7.2.70.0240.00716.29
7.2.60.0220.00916.18
7.2.50.0220.00816.18
7.2.40.0230.00716.22
7.2.30.0220.00716.31
7.2.20.0220.00816.22
7.2.10.0200.00916.27
7.2.00.0230.00816.23
7.1.330.0210.00615.54
7.1.320.0180.00815.59
7.1.310.0160.00715.46
7.1.300.0170.00815.51
7.1.290.0170.00715.51
7.1.280.0250.00315.50
7.1.270.0190.00815.48
7.1.260.0230.00615.41
7.1.250.0200.00915.05
7.1.240.0150.00915.40
7.1.230.0180.00715.37
7.1.220.0180.00815.46
7.1.210.0350.00815.53
7.1.200.0260.00615.52
7.1.190.0170.01115.52
7.1.180.0240.00615.46
7.1.170.0180.00715.36
7.1.160.0180.00915.45
7.1.150.0170.00815.47
7.1.140.0220.00415.49
7.1.130.0220.00515.43
7.1.120.0200.00615.44
7.1.110.0160.00915.41
7.1.100.0210.00415.53
7.1.90.0160.00915.48
7.1.80.0160.01015.48
7.1.70.0250.01015.52
7.1.60.0170.00915.49
7.1.50.0130.01115.57
7.1.40.0180.00815.54
7.1.30.0200.00515.49
7.1.20.0150.01115.47
7.1.10.0160.00815.52
7.1.00.0190.00815.41

preferences:
63.48 ms | 403 KiB | 5 Q