3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtolower("Hello World");

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)
8.3.60.0040.01416.63
8.3.50.0110.00617.31
8.3.40.0110.00318.63
8.3.30.0110.00718.54
8.3.20.0080.00018.66
8.3.10.0040.00420.40
8.3.00.0050.00319.26
8.2.180.0100.01018.42
8.2.170.0110.00422.96
8.2.160.0100.01019.18
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00020.71
8.2.110.0030.00721.17
8.2.100.0000.01217.78
8.2.90.0000.01119.30
8.2.80.0070.00419.09
8.2.70.0060.00317.37
8.2.60.0060.00317.68
8.2.50.0030.00618.07
8.2.40.0080.00018.16
8.2.30.0070.00017.98
8.2.20.0050.00217.63
8.2.10.0020.00517.45
8.2.00.0020.00717.55
8.1.280.0130.00725.92
8.1.270.0040.00424.66
8.1.260.0060.00326.35
8.1.250.0020.00528.09
8.1.240.0110.00022.42
8.1.230.0070.00420.88
8.1.220.0040.00417.74
8.1.210.0000.00818.92
8.1.200.0030.00617.10
8.1.190.0000.00717.38
8.1.180.0030.00518.10
8.1.170.0000.00718.84
8.1.160.0000.00718.70
8.1.150.0000.00718.41
8.1.140.0030.00517.23
8.1.130.0070.00017.67
8.1.120.0030.00417.29
8.1.110.0040.00417.31
8.1.100.0000.00717.37
8.1.90.0040.00417.34
8.1.80.0000.00717.27
8.1.70.0000.00817.25
8.1.60.0030.00617.44
8.1.50.0070.00017.37
8.1.40.0000.00817.25
8.1.30.0040.00417.48
8.1.20.0030.00617.41
8.1.10.0040.00417.32
8.1.00.0040.00417.33
8.0.300.0000.00819.86
8.0.290.0000.00716.63
8.0.280.0000.00718.39
8.0.270.0000.00717.24
8.0.260.0030.00316.79
8.0.250.0000.00716.82
8.0.240.0030.00316.77
8.0.230.0030.00316.78
8.0.220.0000.00716.73
8.0.210.0040.00416.65
8.0.200.0030.00316.80
8.0.190.0030.00316.70
8.0.180.0030.00316.76
8.0.170.0040.00416.73
8.0.160.0030.00516.63
8.0.150.0050.00316.77
8.0.140.0090.00016.67
8.0.130.0070.00013.14
8.0.120.0000.00716.73
8.0.110.0080.00016.64
8.0.100.0040.00416.61
8.0.90.0000.00716.87
8.0.80.0070.01416.74
8.0.70.0070.00016.81
8.0.60.0000.00816.80
8.0.50.0000.00816.65
8.0.30.0080.01116.79
8.0.20.0070.01217.07
8.0.10.0030.00416.72
8.0.00.0130.00416.67
7.4.330.0000.00512.77
7.4.320.0030.00316.50
7.4.300.0040.00416.47
7.4.290.0050.00216.43
7.4.280.0040.00416.28
7.4.270.0000.00716.37
7.4.260.0000.00513.21
7.4.250.0000.00816.36
7.4.240.0070.00016.46
7.4.230.0000.00716.48
7.4.220.0090.00916.55
7.4.210.0060.00816.41
7.4.200.0070.00016.39
7.4.190.0030.00316.32
7.4.160.0090.00616.54
7.4.150.0100.01316.45
7.4.140.0120.00816.38
7.4.130.0100.00716.40
7.4.120.0090.00816.49
7.4.110.0060.01216.47
7.4.100.0060.01116.41
7.4.90.0100.00716.43
7.4.80.0130.00319.39
7.4.70.0080.00816.29
7.4.60.0100.01016.37
7.4.50.0040.00816.45
7.4.40.0110.00416.08
7.4.30.0040.01116.51
7.4.00.0040.01115.11
7.3.330.0030.00313.03
7.3.320.0060.00012.98
7.3.310.0050.00215.89
7.3.300.0000.00715.98
7.3.290.0070.00716.07
7.3.280.0090.00916.06
7.3.270.0090.00916.23
7.3.260.0060.01616.25
7.3.250.0130.00816.33
7.3.240.0150.00316.37
7.3.230.0140.00316.12
7.3.210.0070.01016.33
7.3.200.0060.00916.23
7.3.190.0130.00316.47
7.3.180.0070.00816.08
7.3.170.0060.00916.25
7.3.160.0040.01216.32
7.3.120.0070.00714.61
7.2.330.0030.01316.28
7.2.320.0070.01016.20
7.2.310.0110.01516.34
7.2.300.0130.00316.30
7.2.290.0170.00016.55
7.2.60.0060.00616.80
7.1.200.0000.00715.61
7.1.100.0070.00418.09
7.1.70.0040.00416.75
7.1.60.0070.01419.40
7.1.50.0060.01516.81
7.1.00.0030.07022.40
7.0.200.0070.00316.77
7.0.140.0030.07721.95
7.0.120.0100.06722.05
7.0.60.0070.03719.91
7.0.50.0100.07717.86
7.0.40.0100.08320.21
7.0.30.0270.03720.17
7.0.20.0200.04320.33
7.0.10.0130.04720.00
7.0.00.0100.03720.16
5.6.280.0030.07020.88
5.6.210.0130.07720.49
5.6.200.0100.07318.17
5.6.190.0000.08720.41
5.6.180.0230.04020.35
5.6.170.0330.07720.51
5.6.160.0170.07720.46
5.6.150.0030.05718.18
5.6.140.0030.04018.16
5.6.130.0070.06318.11
5.6.120.0170.07321.14
5.6.110.0100.07321.00
5.6.100.0000.08021.12
5.6.90.0000.09020.96
5.6.80.0070.07720.53
5.6.70.0200.07720.49
5.5.350.0300.05020.46
5.5.340.0100.07318.02
5.5.330.0100.06320.36
5.5.320.0170.08020.21
5.5.310.0270.06020.41
5.5.300.0100.07717.98
5.5.290.0030.09317.98
5.5.280.0030.05020.84
5.5.270.0030.05020.68
5.5.260.0130.07020.67
5.5.250.0030.04020.65
5.5.240.0100.08020.06
5.4.450.1770.03319.14
5.4.440.1700.04719.16
5.4.430.2430.02719.45
5.4.420.1770.04319.42
5.4.410.1830.03319.13
5.4.400.2070.04319.25
5.4.390.1870.04318.92
5.4.380.1770.03018.81
5.4.370.1870.04019.23
5.4.360.1600.03719.24
5.4.350.1830.04319.15
5.4.340.1830.04719.09
5.4.320.1830.04319.08
5.4.310.1570.04319.24
5.4.300.1870.03719.24
5.4.290.1670.03719.12
5.4.280.1900.04319.22
5.4.270.1870.04019.23
5.4.260.1900.04018.90
5.4.250.1700.04718.80
5.4.240.1630.04019.09
5.4.230.1830.04019.13
5.4.220.1900.04018.88
5.4.210.1870.04318.77
5.4.200.0030.06319.23
5.4.190.0030.08019.23
5.4.180.0100.06318.79
5.4.170.1770.04319.08
5.4.160.1670.03718.91
5.4.150.1930.03718.91
5.4.140.1570.04016.17
5.4.130.1830.04016.16
5.4.120.1730.03716.42
5.4.110.1700.04716.31
5.4.100.1830.03716.39
5.4.90.1830.03316.48
5.4.80.1830.04716.16
5.4.70.1830.04016.37
5.4.60.1830.04016.38
5.4.50.2000.04016.04
5.4.40.1630.03316.44
5.4.30.1870.03316.36
5.4.20.1630.03316.36
5.4.10.1970.04016.38
5.4.00.1930.04015.87
5.3.290.1870.04314.70
5.3.280.1870.03714.46
5.3.270.1670.04014.58
5.3.260.1070.05014.65
5.3.250.0070.03314.55
5.3.240.0030.04014.58
5.3.230.1000.03714.54
5.3.220.1670.03714.42
5.3.210.1730.03314.61
5.3.200.1900.03714.59
5.3.190.1530.04714.40
5.3.180.2000.04714.49
5.3.170.1770.02714.39
5.3.160.1630.03714.40
5.3.150.1830.04014.39
5.3.140.1600.04014.45
5.3.130.1770.04014.39
5.3.120.1630.04014.38
5.3.110.1770.04714.37
5.3.100.1870.03713.89
5.3.90.1700.03313.87
5.3.80.1670.03313.96
5.3.70.1700.03714.11
5.3.60.2030.03713.85
5.3.50.1730.03013.73
5.3.40.1630.03714.04
5.3.30.1600.04013.68
5.3.20.1730.03013.61
5.3.10.1730.03713.70
5.3.00.1430.03713.60
5.2.170.0030.04011.08
5.2.160.0030.05711.30
5.2.150.0000.06311.22
5.2.140.1300.04011.07
5.2.130.1370.02311.04
5.2.120.1330.02711.18
5.2.110.1500.03011.03
5.2.100.1570.03711.26
5.2.90.1600.03711.18
5.2.80.1400.03010.93
5.2.70.1330.03310.95
5.2.60.1330.03010.95
5.2.50.1600.03010.87
5.2.40.1300.03310.93
5.2.30.1130.02710.88
5.2.20.1130.02310.79
5.2.10.1300.03310.85
5.2.00.1100.03010.68
5.1.60.1130.02710.07
5.1.50.1100.0209.88
5.1.40.1370.0279.95
5.1.30.1400.02710.48
5.1.20.1300.03010.50
5.1.10.1100.02310.14
5.1.00.1230.0379.96
5.0.50.0630.0238.63
5.0.40.0770.0238.52
5.0.30.0800.0378.15
5.0.20.0700.0308.16
5.0.10.0600.0238.14
5.0.00.0570.0308.09
4.4.90.0730.0238.09
4.4.80.0530.0178.09
4.4.70.0500.0178.09
4.4.60.0630.0178.09
4.4.50.0730.0208.09
4.4.40.0600.0308.09
4.4.30.0670.0238.09
4.4.20.0570.0138.09
4.4.10.0570.0178.09
4.4.00.0830.0378.09
4.3.110.0700.0238.09
4.3.100.0700.0238.09
4.3.90.0700.0178.09
4.3.80.0630.0278.09
4.3.70.0730.0278.09
4.3.60.0670.0238.09
4.3.50.0670.0278.09
4.3.40.0770.0308.09
4.3.30.0330.0178.09
4.3.20.0300.0208.09
4.3.10.0300.0208.09
4.3.00.0300.0178.09

preferences:
37.69 ms | 401 KiB | 5 Q