3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; if ('UNLOCK' === $a) { echo "U\n"; } else { echo "D\n"; }

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)
8.3.70.0080.00816.58
8.3.60.0080.00616.25
8.3.50.0070.00921.92
8.3.40.0150.00018.68
8.3.30.0100.00318.95
8.3.20.0000.00820.22
8.3.10.0080.00023.69
8.3.00.0090.00019.65
8.2.180.0130.01018.18
8.2.170.0100.00722.96
8.2.160.0060.01018.78
8.2.150.0000.00724.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0050.00321.02
8.2.110.0040.00719.31
8.2.100.0080.00317.72
8.2.90.0000.00819.05
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0080.00017.91
8.2.50.0040.00418.10
8.2.40.0060.00320.39
8.2.30.0000.00719.16
8.2.20.0080.00017.49
8.2.10.0000.00717.86
8.2.00.0060.00317.60
8.1.280.0100.01025.92
8.1.270.0080.00023.71
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0100.00023.88
8.1.230.0110.00017.70
8.1.220.0040.00417.74
8.1.210.0050.00518.77
8.1.200.0030.00617.22
8.1.190.0080.00417.23
8.1.180.0030.00618.10
8.1.170.0000.00818.48
8.1.160.0030.00718.85
8.1.150.0000.00819.98
8.1.140.0040.00417.34
8.1.130.0040.00417.68
8.1.120.0070.00017.29
8.1.110.0040.00417.31
8.1.100.0040.00417.42
8.1.90.0070.00017.35
8.1.80.0040.00417.43
8.1.70.0030.00317.30
8.1.60.0060.00317.43
8.1.50.0030.00517.31
8.1.40.0000.00717.33
8.1.30.0080.00017.55
8.1.20.0040.00417.57
8.1.10.0040.00417.46
8.1.00.0000.00717.41
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00518.45
8.0.270.0000.00717.16
8.0.260.0030.00317.23
8.0.250.0000.00616.86
8.0.240.0000.00716.81
8.0.230.0030.00316.86
8.0.220.0000.00716.75
8.0.210.0040.00416.74
8.0.200.0030.00316.77
8.0.190.0000.00716.91
8.0.180.0040.00416.89
8.0.170.0000.00716.89
8.0.160.0080.00016.88
8.0.150.0070.00016.77
8.0.140.0050.00316.74
8.0.130.0030.00313.23
8.0.120.0090.00016.68
8.0.110.0020.00516.87
8.0.100.0040.00416.88
8.0.90.0080.00016.70
8.0.80.0090.00616.79
8.0.70.0030.00516.80
8.0.60.0030.00316.76
8.0.50.0000.00716.83
8.0.30.0110.00717.07
8.0.20.0130.00617.40
8.0.10.0000.00716.78
8.0.00.0110.00916.59
7.4.330.0060.00015.00
7.4.320.0060.00016.39
7.4.300.0060.00016.49
7.4.290.0030.00316.64
7.4.280.0050.00516.47
7.4.270.0050.00316.46
7.4.260.0030.00316.46
7.4.250.0040.00416.37
7.4.240.0000.00716.59
7.4.230.0000.00716.67
7.4.220.0150.00316.70
7.4.210.0060.01316.52
7.4.200.0030.00316.61
7.4.160.0140.00616.76
7.4.150.0130.00917.40
7.4.140.0100.01017.86
7.4.130.0080.00816.47
7.4.120.0100.00816.49
7.4.110.0070.01016.55
7.4.100.0110.00616.39
7.4.90.0140.00316.37
7.4.80.0120.00619.39
7.4.70.0060.01116.61
7.4.60.0100.00616.49
7.4.50.0050.00316.30
7.4.40.0090.00616.42
7.4.30.0100.00616.55
7.4.00.0130.00315.12
7.3.330.0000.00512.93
7.3.320.0030.00313.04
7.3.310.0000.00716.33
7.3.300.0000.00716.18
7.3.290.0070.01416.26
7.3.280.0120.00716.17
7.3.270.0100.01017.40
7.3.260.0140.00716.55
7.3.250.0120.00916.21
7.3.240.0140.00316.62
7.3.230.0090.01216.39
7.3.210.0070.01016.17
7.3.200.0110.01119.39
7.3.190.0030.01316.29
7.3.180.0070.01416.41
7.3.170.0090.00616.27
7.3.160.0070.01016.40
7.3.120.0040.00414.58
7.2.330.0100.01016.26
7.2.320.0100.01016.21
7.2.310.0040.01816.71
7.2.300.0190.00016.25
7.2.290.0030.01816.60
7.2.00.0000.00919.20
7.1.100.0000.01517.91
7.1.70.0030.00616.83
7.1.60.0100.01319.70
7.1.50.0140.01116.74
7.1.00.0000.07722.35
7.0.200.0030.01016.44
7.0.140.0030.07322.04
7.0.60.0030.05020.00
7.0.50.0130.03017.83
7.0.40.0070.06020.07
7.0.30.0400.03720.13
7.0.20.0200.05320.00
7.0.10.0070.07320.31
7.0.00.0030.04720.08
5.6.280.0030.07321.07
5.6.210.0070.07320.74
5.6.200.0130.08018.12
5.6.190.0030.08320.32
5.6.180.4130.04020.41
5.6.170.0200.03720.52
5.6.160.0000.04720.47
5.6.150.0070.05318.16
5.6.140.0030.04018.18
5.6.130.0100.07718.12
5.6.120.0070.05321.04
5.6.110.0100.08320.95
5.6.100.0100.07720.99
5.6.90.0030.07020.98
5.6.80.0070.07720.50
5.6.70.4400.03320.36
5.5.350.0000.08020.38
5.5.340.0070.08317.98
5.5.330.0030.04020.21
5.5.320.0100.05020.30
5.5.310.0300.03320.20
5.5.300.0100.03718.07
5.5.290.0030.04017.92
5.5.280.0100.08020.96
5.5.270.0100.08320.85
5.5.260.0070.06720.93
5.5.250.0200.05020.57
5.5.240.0370.05020.15
5.4.450.0070.07719.47
5.4.440.0000.04319.44
5.4.430.0030.04719.32
5.4.420.0070.07319.13
5.4.410.0030.04019.31
5.4.400.0070.04319.16
5.4.390.0170.07018.79
5.4.380.0030.04019.09
5.4.370.0030.05719.00
5.4.360.0130.08319.16
5.4.350.0170.05719.19
5.4.340.0170.06718.81
5.4.320.0030.05018.79
5.4.310.0070.07018.91
5.4.300.0000.04019.17
5.4.290.0070.03319.11
5.4.280.0070.03319.18
5.4.270.0000.04018.91
5.4.260.0030.03719.14
5.4.250.0000.04019.10
5.4.240.0070.03318.94
5.4.230.0070.03318.95
5.4.220.0030.04719.07
5.4.210.0070.05319.13
5.4.200.0030.04318.79
5.4.190.0030.05019.10
5.4.180.0030.03718.78
5.4.170.0000.04019.14
5.4.160.0030.03718.79
5.4.150.0070.04319.05
5.4.140.0030.03316.17
5.4.130.0030.03716.19
5.4.120.0070.04316.16
5.4.110.0070.03316.15
5.4.100.0030.03716.34
5.4.90.0030.04016.60
5.4.80.0000.03716.27
5.4.70.0070.03016.59
5.4.60.0070.03316.33
5.4.50.0000.04016.30
5.4.40.0030.03716.36
5.4.30.0030.03316.24
5.4.20.0070.05016.23
5.4.10.0000.03716.57
5.4.00.0000.03715.70
5.3.290.0030.07714.61
5.3.280.0070.03314.51
5.3.270.0070.03314.62
5.3.260.0030.04014.69
5.3.250.0030.03714.53
5.3.240.0000.03714.39
5.3.230.0070.03314.52
5.3.220.0000.03714.57
5.3.210.0000.04014.38
5.3.200.0070.03014.54
5.3.190.0000.04014.50
5.3.180.0030.03714.53
5.3.170.0030.03314.34
5.3.160.0030.03714.48
5.3.150.0070.03714.46
5.3.140.0070.03714.52
5.3.130.0070.03314.36
5.3.120.0070.03714.47
5.3.110.0000.04014.48
5.3.100.0030.03713.98
5.3.90.0030.03313.91
5.3.80.0070.03313.84
5.3.70.0000.03713.96
5.3.60.0030.03713.96
5.3.50.0070.03313.78
5.3.40.0170.06313.89
5.3.30.0030.05713.83
5.3.20.0070.05313.61
5.3.10.0030.07713.60
5.3.00.0070.05013.42
5.2.170.0000.03011.12
5.2.160.0070.04011.08
5.2.150.0000.04711.04
5.2.140.0030.06311.21
5.2.130.0000.03711.03
5.2.120.0030.06311.11
5.2.110.0030.05711.05
5.2.100.0030.03011.00
5.2.90.0000.03011.04
5.2.80.0000.04310.98
5.2.70.0070.05011.25
5.2.60.0070.06311.20
5.2.50.0000.04711.02
5.2.40.0100.02710.93
5.2.30.0030.05710.97
5.2.20.0070.06010.86
5.2.10.0030.05010.85
5.2.00.0030.04310.79
5.1.60.0100.0439.96
5.1.50.0130.0339.95
5.1.40.0000.0439.98
5.1.30.0030.04010.23
5.1.20.0100.05010.38
5.1.10.0030.03710.07
5.1.00.0000.06010.05
5.0.50.0100.0408.52
5.0.40.0000.0408.39
5.0.30.0030.0438.26
5.0.20.0000.0208.21
5.0.10.0030.0308.18
5.0.00.0000.0378.16
4.4.90.0030.0377.49
4.4.80.0000.0377.49
4.4.70.0030.0377.49
4.4.60.0000.0207.49
4.4.50.0070.0307.49
4.4.40.0000.0337.49
4.4.30.0000.0277.49
4.4.20.0000.0237.49
4.4.10.0030.0207.49
4.4.00.0030.0437.49
4.3.110.0030.0337.49
4.3.100.0030.0137.49
4.3.90.0000.0207.49
4.3.80.0000.0607.49
4.3.70.0030.0337.49
4.3.60.0030.0377.49
4.3.50.0070.0277.49
4.3.40.0000.0337.49
4.3.30.0100.0277.49
4.3.20.0000.0377.49
4.3.10.0000.0377.49
4.3.00.0030.0337.49

preferences:
50.86 ms | 401 KiB | 5 Q