3v4l.org

run code in 300+ PHP versions simultaneously
<?php $function = "function a() { echo 'Hi!'; }"; echo ${$function};

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)
8.3.40.0040.01118.88
8.3.30.0040.01218.84
8.3.20.0050.00220.13
8.3.10.0000.00821.77
8.3.00.0080.00019.26
8.2.170.0070.00722.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0050.00226.16
8.2.120.0000.00819.76
8.2.110.0030.00620.53
8.2.100.0060.00617.84
8.2.90.0000.00819.17
8.2.80.0090.00017.97
8.2.70.0000.01017.50
8.2.60.0060.00317.80
8.2.50.0090.00018.07
8.2.40.0050.00319.82
8.2.30.0000.00717.97
8.2.20.0070.00017.70
8.2.10.0080.00018.10
8.2.00.0040.00417.54
8.1.270.0060.00320.64
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0000.00922.08
8.1.230.0090.00323.91
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0000.00917.25
8.1.190.0000.00817.13
8.1.180.0000.00718.10
8.1.170.0030.00518.53
8.1.160.0000.00721.88
8.1.150.0040.00418.80
8.1.140.0070.00017.35
8.1.130.0000.00717.84
8.1.120.0040.00417.36
8.1.110.0070.00017.46
8.1.100.0050.00217.39
8.1.90.0000.00717.35
8.1.80.0030.00317.48
8.1.70.0030.00317.46
8.1.60.0000.00817.58
8.1.50.0000.00817.41
8.1.40.0000.00717.54
8.1.30.0040.00417.63
8.1.20.0040.00417.61
8.1.10.0050.00217.33
8.1.00.0000.00717.43
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0040.00418.49
8.0.270.0070.00017.15
8.0.260.0000.00717.09
8.0.250.0070.00016.89
8.0.240.0000.00616.98
8.0.230.0000.00717.04
8.0.220.0000.00816.94
8.0.210.0030.00316.95
8.0.200.0000.00716.89
8.0.190.0080.00017.05
8.0.180.0030.00416.93
8.0.170.0070.00016.94
8.0.160.0030.00316.90
8.0.150.0000.00716.89
8.0.140.0030.00416.85
8.0.130.0060.00013.41
8.0.120.0060.00316.80
8.0.110.0040.00416.86
8.0.100.0000.00717.01
8.0.90.0050.00316.94
8.0.80.0040.01216.93
8.0.70.0000.00816.94
8.0.60.0000.00716.78
8.0.50.0000.00716.97
8.0.30.0160.00617.27
8.0.20.0150.00717.40
8.0.10.0040.00416.97
8.0.00.0140.00616.82
7.4.330.0000.00515.15
7.4.320.0070.00016.60
7.4.300.0070.00016.50
7.4.290.0070.00016.57
7.4.280.0050.00216.39
7.4.270.0030.00316.51
7.4.260.0080.00016.56
7.4.250.0040.00416.48
7.4.240.0020.00516.57
7.4.230.0070.00016.39
7.4.220.0040.01416.54
7.4.210.0070.00816.54
7.4.200.0070.00016.57
7.4.160.0120.00316.53
7.4.150.0130.01017.40
7.4.140.0100.00817.86
7.4.130.0110.00916.59
7.4.120.0070.01116.58
7.4.110.0110.00616.59
7.4.100.0150.00416.55
7.4.90.0100.00716.43
7.4.80.0110.00719.39
7.4.70.0100.00616.52
7.4.60.0110.01316.41
7.4.50.0030.00516.57
7.4.40.0080.00816.57
7.4.30.0100.01616.56
7.4.00.0070.00315.04
7.3.330.0020.00212.99
7.3.320.0000.01413.03
7.3.310.0000.00716.14
7.3.300.0070.00016.24
7.3.290.0030.00316.27
7.3.280.0090.00816.27
7.3.270.0230.01517.40
7.3.260.0210.00316.33
7.3.250.0100.00716.24
7.3.240.0070.01016.30
7.3.230.0130.00616.39
7.3.210.0030.01316.31
7.3.200.0050.01519.39
7.3.190.0080.01116.31
7.3.180.0060.00916.41
7.3.170.0120.00916.30
7.3.160.0150.00916.37
7.2.330.0070.01016.71
7.2.320.0120.00316.29
7.2.310.0110.00616.59
7.2.300.0130.01016.67
7.2.290.0030.01816.54
7.2.00.0030.01019.35
7.1.200.0030.00615.57
7.1.100.0070.01017.98
7.1.70.0000.01317.18
7.1.60.0080.01219.50
7.1.50.0100.01316.33
7.1.00.0000.07722.37
7.0.200.0040.00416.54
7.0.140.0130.06322.21
7.0.60.0070.07320.00
7.0.50.0130.04717.79
7.0.40.0100.08320.20
7.0.30.0200.08320.21
7.0.20.0230.05320.12
7.0.10.0270.07020.00
7.0.00.0030.05720.00
5.6.280.0100.06720.91
5.6.210.0070.06020.48
5.6.200.0070.08018.17
5.6.190.0070.04020.41
5.6.180.0400.05720.56
5.6.170.0270.03720.42
5.6.160.0000.09320.71
5.6.150.0130.07318.18
5.6.140.0100.04718.11
5.6.130.0000.04318.18
5.6.120.0100.04721.04
5.6.110.0070.03721.09
5.6.100.0030.06021.13
5.6.90.0070.06720.98
5.6.80.0070.07020.50
5.6.70.0200.07020.34
5.5.350.0130.04720.46
5.5.340.0100.06017.93
5.5.330.0100.09020.10
5.5.320.0200.07020.41
5.5.310.0200.06020.31
5.5.300.0030.03717.95
5.5.290.0030.06017.96
5.5.280.0230.06720.87
5.5.270.0100.07320.95
5.5.260.0100.08020.74
5.5.250.0030.05720.61
5.5.240.0100.08020.15
5.4.450.0070.06319.12
5.4.440.0670.07019.27
5.4.430.0970.06719.63
5.4.420.0130.05019.48
5.4.410.0900.05719.50
5.4.400.0230.05018.75
5.4.390.0130.05718.62
5.4.380.0270.07718.58
5.4.370.0100.06018.42
5.4.360.0200.07018.71
5.4.350.0230.07318.66
5.4.340.0170.05718.44
5.4.320.0130.06018.57
5.4.310.0130.05718.55
5.4.300.0170.05318.73
5.4.290.0270.06718.47
5.4.280.0270.06718.65
5.4.270.0200.06018.46
5.4.260.0300.04318.58
5.4.250.0270.05318.54
5.4.240.0230.07318.63
5.4.230.0130.06018.57
5.4.220.0170.06318.46
5.4.210.0200.05318.48
5.4.200.0170.05316.65
5.4.190.0200.06318.64
5.4.180.0130.08018.56
5.4.170.0330.06018.61
5.4.160.0200.05718.70
5.4.150.0230.05018.61
5.4.140.0170.05316.16
5.4.130.0130.05016.14
5.4.120.0200.05016.30
5.4.110.0230.04316.21
5.4.100.0230.05716.30
5.4.90.0100.05716.27
5.4.80.0130.05716.13
5.4.70.0070.06316.13
5.4.60.0170.05716.26
5.4.50.0230.06016.15
5.4.40.0200.05316.26
5.4.30.0100.06016.23
5.4.20.0170.05316.27
5.4.10.0200.05016.06
5.4.00.0170.05015.67
5.3.290.0430.05014.59
5.3.280.0130.05714.57
5.3.270.0170.06014.62
5.3.260.0330.06314.55
5.3.250.0200.06314.51
5.3.240.0200.05714.56
5.3.230.0300.04014.67
5.3.220.0230.05014.57
5.3.210.0170.05714.54
5.3.200.0130.05714.56
5.3.190.0130.06014.63
5.3.180.0200.05714.66
5.3.170.0130.07714.55
5.3.160.0230.04314.55
5.3.150.0230.06714.54
5.3.140.0230.06314.64
5.3.130.0270.05014.63
5.3.120.0270.06714.50
5.3.110.0230.07014.53
5.3.100.0170.07013.96
5.3.90.0170.07314.02
5.3.80.0270.06313.95
5.3.70.0170.05713.98
5.3.60.0300.04713.93
5.3.50.0130.05714.01
5.3.40.0100.06013.93
5.3.30.0200.04713.82
5.3.20.0030.06313.63
5.3.10.0070.06013.74
5.3.00.0300.04013.54
5.2.170.0130.06011.05
5.2.160.0200.04011.17
5.2.150.0270.03311.29
5.2.140.0100.04311.12
5.2.130.0200.03311.07
5.2.120.0130.04311.04
5.2.110.0170.03711.25
5.2.100.0030.05011.09
5.2.90.0130.04011.14
5.2.80.0170.05711.13
5.2.70.0170.05711.04
5.2.60.0100.04710.99
5.2.50.0130.04011.07
5.2.40.0130.04010.95
5.2.30.0200.04011.00
5.2.20.0030.05010.91
5.2.10.0070.04310.90
5.2.00.0170.05710.70
5.1.60.0170.04310.10
5.1.50.0130.03310.00
5.1.40.0100.0379.96
5.1.30.0130.04710.43
5.1.20.0200.04310.46
5.1.10.0170.04310.16
5.1.00.0200.04310.09
5.0.50.0100.0308.56
5.0.40.0030.0308.40
5.0.30.0170.0378.19
5.0.20.0070.0308.37
5.0.10.0100.0278.34
5.0.00.0170.0378.23
4.4.90.0100.0207.00
4.4.80.0070.0207.00
4.4.70.0100.0207.00
4.4.60.0100.0177.00
4.4.50.0070.0207.00
4.4.40.0030.0377.00
4.4.30.0000.0277.00
4.4.20.0070.0207.00
4.4.10.0000.0307.00
4.4.00.0070.0337.00
4.3.110.0030.0237.00
4.3.100.0100.0177.00
4.3.90.0070.0207.00
4.3.80.0030.0407.00
4.3.70.0130.0137.00
4.3.60.0100.0207.00
4.3.50.0030.0237.00
4.3.40.0030.0407.00
4.3.30.0070.0207.00
4.3.20.0030.0237.00
4.3.10.0070.0237.00
4.3.00.0070.0177.20

preferences:
78.15 ms | 400 KiB | 5 Q