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)
8.3.70.0110.00316.50
8.3.60.0090.00918.31
8.3.50.0150.00221.96
8.3.40.0110.00718.67
8.3.30.0070.01518.86
8.3.20.0050.00220.16
8.3.10.0040.00423.46
8.3.00.0040.00419.25
8.2.180.0070.00718.23
8.2.170.0110.00722.96
8.2.160.0160.00020.34
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0100.00726.16
8.2.120.0070.00022.13
8.2.110.0140.00322.26
8.2.100.0060.00617.72
8.2.90.0040.00419.26
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0000.00717.93
8.2.50.0040.00418.07
8.2.40.0030.00619.89
8.2.30.0000.00819.72
8.2.20.0040.00417.67
8.2.10.0000.00718.07
8.2.00.0000.00717.58
8.1.280.0070.00725.92
8.1.270.0000.00823.96
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.70
8.1.230.0000.01119.18
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0000.00917.34
8.1.190.0080.00017.23
8.1.180.0000.01118.10
8.1.170.0000.00818.59
8.1.160.0060.00322.00
8.1.150.0040.00418.64
8.1.140.0040.00417.54
8.1.130.0000.00717.73
8.1.120.0000.00717.34
8.1.110.0040.00417.46
8.1.100.0030.00317.48
8.1.90.0070.00017.45
8.1.80.0060.00317.35
8.1.70.0000.00717.30
8.1.60.0060.00317.61
8.1.50.0040.00417.47
8.1.40.0040.00417.54
8.1.30.0030.00517.56
8.1.20.0040.00417.59
8.1.10.0000.00717.43
8.1.00.0040.00417.41
8.0.300.0040.00420.59
8.0.290.0000.00717.30
8.0.280.0030.00318.42
8.0.270.0000.00717.17
8.0.260.0050.00217.28
8.0.250.0000.00816.95
8.0.240.0000.00716.81
8.0.230.0000.00716.95
8.0.220.0020.00516.83
8.0.210.0070.00016.78
8.0.200.0030.00316.85
8.0.190.0060.00316.83
8.0.180.0000.00716.94
8.0.170.0040.00416.90
8.0.160.0040.00416.93
8.0.150.0000.00716.86
8.0.140.0040.00316.88
8.0.130.0030.00413.28
8.0.120.0040.00416.90
8.0.110.0000.00716.93
8.0.100.0030.00616.71
8.0.90.0000.00716.76
8.0.80.0030.01216.79
8.0.70.0000.00716.75
8.0.60.0040.00416.76
8.0.50.0070.00016.76
8.0.30.0100.00917.00
8.0.20.0130.00617.40
8.0.10.0030.00416.85
8.0.00.0080.01316.81
7.4.330.0050.00015.15
7.4.320.0030.00316.57
7.4.300.0030.00316.52
7.4.290.0030.00316.61
7.4.280.0040.00316.43
7.4.270.0000.00816.38
7.4.260.0000.00716.47
7.4.250.0030.00516.44
7.4.240.0020.00516.46
7.4.230.0000.00716.49
7.4.220.0060.01216.59
7.4.210.0060.00816.53
7.4.200.0040.00416.53
7.4.190.0100.00016.75
7.4.160.0100.00616.49
7.4.150.0100.00717.40
7.4.140.0100.01017.86
7.4.130.0120.00716.37
7.4.120.0080.00816.56
7.4.110.0030.01416.55
7.4.100.0090.00916.68
7.4.90.0060.01216.30
7.4.80.0110.00819.39
7.4.70.0120.00916.54
7.4.60.0110.00716.27
7.4.50.0030.00616.46
7.4.40.0100.00616.33
7.4.30.0090.00616.55
7.4.00.0070.01014.85
7.3.330.0060.00012.90
7.3.320.0030.00312.98
7.3.310.0000.00816.19
7.3.300.0060.00016.18
7.3.290.0030.01016.17
7.3.280.0090.00916.17
7.3.270.0130.00317.40
7.3.260.0130.01016.43
7.3.250.0130.00516.37
7.3.240.0090.00616.52
7.3.230.0000.02216.43
7.3.210.0040.01316.20
7.3.200.0090.01219.39
7.3.190.0190.00016.34
7.3.180.0130.00716.39
7.3.170.0070.01016.51
7.3.160.0030.01216.34
7.3.120.0070.01014.74
7.3.10.0140.00416.40
7.3.00.0030.01016.32
7.2.330.0090.00916.37
7.2.320.0090.00616.52
7.2.310.0150.00416.22
7.2.300.0110.00616.70
7.2.290.0150.00916.49
7.2.130.0070.00716.71
7.2.120.0080.00816.48
7.2.110.0150.00316.54
7.2.100.0060.00916.89
7.2.90.0160.00316.49
7.2.80.0030.00616.73
7.2.70.0070.00316.57
7.2.60.0030.01016.72
7.2.50.0070.01016.88
7.2.40.0060.00616.87
7.2.30.0140.00016.71
7.2.20.0070.00716.77
7.2.10.0080.01216.82
7.2.00.0100.00618.21
7.1.250.0080.00315.33
7.1.100.0090.00617.97
7.1.70.0040.00717.03
7.1.60.0100.01419.46
7.1.50.0030.01716.77
7.1.00.0030.07722.33
7.0.200.0060.00316.73
7.0.140.0000.07322.09
7.0.60.0070.07719.89
7.0.50.0000.07017.80
7.0.40.0070.06720.02
7.0.30.0300.07320.18
7.0.20.0330.07020.30
7.0.10.0070.07020.02
7.0.00.0170.07020.30
5.6.280.0100.06721.11
5.6.210.0070.08320.47
5.6.200.0100.05318.12
5.6.190.0030.08020.32
5.6.180.0200.05320.56
5.6.170.0300.07020.33
5.6.160.0070.03720.50
5.6.150.0070.05718.09
5.6.140.0030.08718.12
5.6.130.0030.08718.11
5.6.120.0070.08321.00
5.6.110.0100.08321.06
5.6.100.0070.06020.96
5.6.90.0070.08720.94
5.6.80.0100.06720.28
5.5.350.3400.05320.42
5.5.340.0070.06717.88
5.5.330.0100.08320.12
5.5.320.0030.04020.13
5.5.310.0430.07020.26
5.5.300.0130.07318.02
5.5.290.0000.04318.02
5.5.280.0100.03720.96
5.5.270.0170.06020.86
5.5.260.0130.08020.78
5.5.250.0130.08020.65
5.5.240.0300.06020.11
5.4.450.3770.04019.25
5.4.440.4270.04019.56
5.4.430.3630.04319.13
5.4.420.3500.03719.28
5.4.410.3630.03719.43
5.4.400.3970.03719.09
5.4.390.3470.04019.13
5.4.380.3800.04318.81
5.4.370.2830.03319.13
5.4.360.3570.03019.10
5.4.350.3400.03719.25
5.4.340.4000.03718.94
5.4.320.3830.05019.09
5.4.310.3830.03319.08
5.4.300.3800.04019.15
5.4.290.3600.04319.25
5.4.280.3870.03719.24
5.4.270.4370.02718.92
5.4.260.3730.03319.08
5.4.250.3600.03018.88
5.4.240.3600.03019.20
5.4.230.3770.03719.15
5.4.220.3730.03718.88
5.4.210.3500.03319.08
5.4.200.3800.04019.14
5.4.190.3700.03719.23
5.4.180.3630.03719.07
5.4.170.5070.03319.05
5.4.160.3430.03718.91
5.4.150.3970.04718.90
5.4.140.3530.03016.45
5.4.130.3730.04016.15
5.4.120.3800.03716.22
5.4.110.3530.03716.46
5.4.100.3430.03316.18
5.4.90.3730.03716.45
5.4.80.4170.04316.20
5.4.70.3470.02716.21
5.4.60.3700.03316.41
5.4.50.3930.03716.03
5.4.40.3430.03716.38
5.4.30.3730.03316.18
5.4.20.3830.03316.28
5.4.10.4370.03016.45
5.4.00.3630.03715.89
5.3.290.3430.03314.61
5.3.280.3730.04314.62
5.3.270.3570.04314.48
5.3.260.3770.03714.55
5.3.250.3930.04714.44
5.3.240.3900.02714.55
5.3.230.4030.03314.49
5.3.220.3730.03314.59
5.3.210.2970.03714.50
5.3.200.3830.03714.39
5.3.190.3930.04014.42
5.3.180.3830.04014.41
5.3.170.3670.03714.58
5.3.160.3700.04314.39
5.3.150.3730.03314.40
5.3.140.3400.03714.60
5.3.130.3770.04314.42
5.3.120.3770.03714.45
5.3.110.3770.04314.50
5.3.100.3600.04313.98
5.3.90.3770.03713.86
5.3.80.3700.04013.97
5.3.70.3830.03013.96
5.3.60.3530.04313.98
5.3.50.3700.03713.72
5.3.40.3470.03313.81
5.3.30.3630.03313.74
5.3.20.3630.04013.46
5.3.10.3570.03713.43
5.3.00.3230.03013.68
5.2.170.2930.02311.05
5.2.160.3130.03011.16
5.2.150.3000.03011.18
5.2.140.2930.03010.98
5.2.130.3130.02711.04
5.2.120.2930.02311.04
5.2.110.2900.03311.00
5.2.100.3100.03011.19
5.2.90.2670.02311.03
5.2.80.3070.03011.03
5.2.70.3170.02711.11
5.2.60.3630.02011.09
5.2.50.3370.02710.87
5.2.40.2230.03010.85
5.2.30.2800.03310.85
5.2.20.3100.02711.00
5.2.10.3030.02710.79
5.2.00.2830.03310.82
5.1.60.3200.01710.00
5.1.50.2770.0239.87
5.1.40.2430.0309.90
5.1.30.2270.02710.35
5.1.20.2330.03010.32
5.1.10.1900.0279.97
5.1.00.1670.02310.22
5.0.50.0970.0208.62
5.0.40.1230.0238.38
5.0.30.1400.0338.37
5.0.20.1230.0138.27
5.0.10.1230.0178.11
5.0.00.1200.0308.05
4.4.90.1470.0135.77
4.4.80.1330.0135.75
4.4.70.1900.0135.75
4.4.60.1770.0135.80
4.4.50.1730.0175.80
4.4.40.1930.0205.80
4.4.30.1070.0105.83
4.4.20.1330.0205.87
4.4.10.1030.0175.88
4.4.00.1170.0275.91
4.3.110.1600.0075.75
4.3.100.1130.0175.70
4.3.90.1330.0235.79
4.3.80.1400.0305.70
4.3.70.1300.0205.72
4.3.60.1270.0135.83
4.3.50.1230.0135.79
4.3.40.1200.0235.69
4.3.30.0570.0175.61
4.3.20.0570.0175.61
4.3.10.0600.0135.61
4.3.00.0300.0175.61

preferences:
62.67 ms | 401 KiB | 5 Q