3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = []; for($index = 2600; $index < 2700; $index++){ $x[] = "Hi \u{{$index}} XD"; } print_r($x);

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)
5.6.280.0130.06721.08
5.6.210.0130.07320.75
5.6.200.0100.08018.28
5.6.190.0130.04020.41
5.6.180.0300.07720.42
5.6.170.0400.06320.57
5.6.160.0100.08320.44
5.6.150.0070.08018.14
5.6.140.0030.04718.28
5.6.130.0070.06018.10
5.6.120.0100.07321.04
5.6.110.0200.07320.93
5.6.100.0100.08320.98
5.6.90.0170.03320.96
5.6.80.0130.07320.37
5.5.350.0200.06720.48
5.5.340.0030.05017.98
5.5.330.0100.08320.57
5.5.320.0370.07020.35
5.5.310.0270.07720.30
5.5.300.0070.04317.97
5.5.290.0200.07717.95
5.5.280.0100.08320.80
5.5.270.0100.06020.82
5.5.260.0100.08020.96
5.5.250.0030.04320.79
5.5.240.0070.07720.27
5.4.450.0370.05319.30
5.4.440.0700.05719.54
5.4.430.0200.05019.61
5.4.420.0170.05019.52
5.4.410.0230.04719.38
5.4.400.0170.04719.29
5.4.390.0100.05319.04
5.4.380.0200.04319.27
5.4.370.0170.05019.13
5.4.360.0100.05318.99
5.4.350.0170.05018.92
5.4.340.0170.04718.95
5.4.320.0200.05319.18
5.4.310.0130.05019.29
5.4.300.0130.04719.29
5.4.290.0070.05719.16
5.4.280.0230.04319.14
5.4.270.0170.05019.02
5.4.260.0070.05718.98
5.4.250.0030.06319.16
5.4.240.0130.05319.26
5.4.230.0170.04718.94
5.4.220.0070.07019.11
5.4.210.0030.06019.26
5.4.200.0070.05316.86
5.4.190.0100.05319.06
5.4.180.0170.06019.22
5.4.170.0070.05719.22
5.4.160.0170.04319.21
5.4.150.0070.05719.00
5.4.140.0130.05016.26
5.4.130.0100.05016.25
5.4.120.0070.05316.27
5.4.110.0100.05016.63
5.4.100.0070.05716.25
5.4.90.0070.05316.46
5.4.80.0030.05316.29
5.4.70.0170.04316.38
5.4.60.0130.04716.44
5.4.50.0070.05016.38
5.4.40.0030.05716.38
5.4.30.0070.05716.22
5.4.20.0200.04316.54
5.4.10.0200.04016.59
5.4.00.0100.05016.10
5.3.290.0030.06014.58
5.3.280.0100.05014.43
5.3.270.0170.04714.59
5.3.260.0170.04714.39
5.3.250.0100.05014.58
5.3.240.0170.04714.64
5.3.230.0130.04714.54
5.3.220.0100.05014.55
5.3.210.0170.04714.57
5.3.200.0100.05014.60
5.3.190.0130.04714.47
5.3.180.0030.05314.59
5.3.170.0100.05014.59
5.3.160.0130.04714.58
5.3.150.0070.05314.46
5.3.140.0030.05714.57
5.3.130.0100.05314.55
5.3.120.0100.05014.46
5.3.110.0100.05314.34
5.3.100.0070.05014.07
5.3.90.0170.04313.93
5.3.80.0200.04013.87
5.3.70.0170.04313.94
5.3.60.0070.05313.84
5.3.50.0100.04713.79
5.3.40.0030.05713.82
5.3.30.0070.05013.91
5.3.20.0000.05713.52
5.3.10.0100.04713.66
5.3.00.0070.05313.62
5.2.170.0130.03710.90
5.2.160.0100.03710.98
5.2.150.0070.04310.99
5.2.140.0130.04011.08
5.2.130.0000.04710.96
5.2.120.0030.04310.94
5.2.110.0000.04710.97
5.2.100.0030.04311.11
5.2.90.0000.04711.20
5.2.80.0070.04011.18
5.2.70.0070.04011.01
5.2.60.0070.04011.05
5.2.50.0130.03711.11
5.2.40.0000.04310.93
5.2.30.0100.03710.81
5.2.20.0000.04710.80
5.2.10.0070.03710.80
5.2.00.0030.04310.70
5.1.60.0030.0339.91
5.1.50.0000.04010.00
5.1.40.0070.03310.01
5.1.30.0030.03710.41
5.1.20.0030.04010.42
5.1.10.0030.04010.11
5.1.00.0130.0309.99
5.0.50.0100.0238.56
5.0.40.0030.0278.29
5.0.30.0030.0438.21
5.0.20.0030.0278.12
5.0.10.0070.0308.21
5.0.00.0030.0438.19
4.4.90.0030.0235.80
4.4.80.0070.0175.74
4.4.70.0030.0235.73
4.4.60.0070.0175.73
4.4.50.0030.0205.91
4.4.40.0070.0435.74
4.4.30.0070.0275.81
4.4.20.0000.0235.90
4.4.10.0100.0175.86
4.4.00.0070.0335.88
4.3.110.0030.0235.84
4.3.100.0030.0205.70
4.3.90.0070.0175.66
4.3.80.0070.0335.75
4.3.70.0000.0275.75
4.3.60.0100.0135.77
4.3.50.0070.0205.75
4.3.40.0070.0305.71
4.3.30.0000.0234.45
4.3.20.0070.0174.54
4.3.10.0000.0234.35
4.3.00.0000.0277.17

preferences:
144.74 ms | 1394 KiB | 7 Q