3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtolower(preg_replace('/WHERE ([a-zA-Z])\s*=\s*([a-zA-Z])/i', '$1_$2', 'Where algo = algo'));

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)
8.3.60.0110.00418.43
8.3.50.0100.01121.21
8.3.40.0060.01218.82
8.3.30.0030.01020.38
8.3.20.0040.00420.31
8.3.10.0030.00621.09
8.3.00.0060.00322.21
8.2.180.0120.00616.75
8.2.170.0100.00322.96
8.2.160.0070.00722.39
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0030.00526.16
8.2.120.0080.00020.75
8.2.110.0090.00019.24
8.2.100.0000.01117.84
8.2.90.0040.00419.05
8.2.80.0060.00317.97
8.2.70.0060.00317.75
8.2.60.0000.00817.91
8.2.50.0000.00818.07
8.2.40.0090.00017.96
8.2.30.0040.00419.44
8.2.20.0070.00017.61
8.2.10.0080.00017.61
8.2.00.0000.00717.57
8.1.280.0030.01425.92
8.1.270.0050.00223.99
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0040.00820.64
8.1.230.0110.00020.90
8.1.220.0040.00418.77
8.1.210.0120.00019.02
8.1.200.0030.00617.22
8.1.190.0080.00017.41
8.1.180.0000.01118.10
8.1.170.0000.00818.77
8.1.160.0050.00218.79
8.1.150.0050.00218.71
8.1.140.0030.00517.47
8.1.130.0040.00417.66
8.1.120.0050.00317.36
8.1.110.0070.00017.52
8.1.100.0060.00317.50
8.1.90.0000.00717.50
8.1.80.0040.00417.57
8.1.70.0000.00717.44
8.1.60.0030.00517.64
8.1.50.0000.00717.56
8.1.40.0000.00817.54
8.1.30.0030.00517.64
8.1.20.0030.00617.61
8.1.10.0040.00417.58
8.1.00.0040.00417.54
8.0.300.0030.00619.85
8.0.290.0040.00417.05
8.0.280.0000.00818.40
8.0.270.0000.00717.15
8.0.260.0000.00816.95
8.0.250.0000.00717.02
8.0.240.0000.00817.02
8.0.230.0000.00716.95
8.0.220.0030.00316.97
8.0.210.0000.00716.92
8.0.200.0000.00616.86
8.0.190.0000.00716.88
8.0.180.0040.00416.85
8.0.170.0030.00316.91
8.0.160.0030.00416.76
8.0.150.0040.00416.76
8.0.140.0090.00316.91
8.0.130.0000.00613.30
8.0.120.0080.00016.93
8.0.110.0030.00516.83
8.0.100.0000.00716.76
8.0.90.0000.00716.86
8.0.80.0090.00716.90
8.0.70.0070.00016.88
8.0.60.0040.00416.94
8.0.50.0040.00416.69
8.0.30.0120.00516.92
8.0.20.0050.01417.40
8.0.10.0040.00417.03
8.0.00.0130.00616.71
7.4.330.0030.00316.85
7.4.320.0030.00316.73
7.4.300.0000.00616.65
7.4.290.0030.00316.65
7.4.280.0070.00016.68
7.4.270.0040.00416.69
7.4.260.0060.00013.34
7.4.250.0040.00416.53
7.4.240.0040.00316.63
7.4.230.0070.00016.55
7.4.220.0100.00716.70
7.4.210.0040.01016.65
7.4.200.0000.00716.77
7.4.190.0000.00716.59
7.4.160.0100.00616.59
7.4.150.0110.00717.40
7.4.140.0120.00517.86
7.4.130.0090.00916.62
7.4.120.0080.01216.61
7.4.110.0070.01116.45
7.4.100.0140.00516.58
7.4.90.0060.01016.54
7.4.80.0040.01519.39
7.4.70.0100.00716.63
7.4.60.0080.00816.39
7.4.50.0030.00616.62
7.4.40.0110.00422.77
7.4.30.0140.00316.43
7.4.00.0140.00315.06
7.3.330.0030.00213.19
7.3.320.0000.00513.12
7.3.310.0070.00016.32
7.3.300.0060.00016.19
7.3.290.0100.00316.39
7.3.280.0070.01016.28
7.3.270.0100.01017.40
7.3.260.0100.01118.24
7.3.250.0100.00916.51
7.3.240.0170.00616.40
7.3.230.0080.00816.71
7.3.210.0160.00016.62
7.3.200.0140.00319.39
7.3.190.0120.01116.36
7.3.180.0000.01516.27
7.3.170.0100.00716.71
7.3.160.0090.00616.62
7.3.120.0070.01014.71
7.2.330.0040.01416.67
7.2.320.0030.01516.64
7.2.310.0110.00816.60
7.2.300.0060.01016.48
7.2.290.0040.01816.60
7.2.00.0060.00919.37
7.1.100.0080.00418.23
7.1.70.0000.00917.24
7.1.60.0070.01719.17
7.1.50.0150.00317.04
7.1.00.0070.06322.39
7.0.200.0030.00516.64
7.0.140.0100.06322.12
7.0.90.0700.05719.89
7.0.80.0300.08319.88
7.0.70.0570.05320.12
7.0.60.0600.04719.92
7.0.50.0530.06320.37
7.0.40.0130.08020.13
7.0.30.0070.08020.09
7.0.20.0100.07720.19
7.0.10.0100.07020.14
7.0.00.0130.08020.00
5.6.280.0030.07320.85
5.6.230.0030.06720.50
5.6.220.0000.07720.64
5.6.210.0100.05720.66
5.6.200.0070.08321.00
5.6.190.0130.08021.01
5.6.180.0130.08321.04
5.6.170.0170.07321.00
5.6.160.0070.05720.95
5.6.150.0070.04721.02
5.6.140.0170.06721.11
5.6.130.0170.07720.93
5.6.120.0170.06321.01
5.6.110.0070.08721.04
5.6.100.0030.05321.01
5.6.90.0030.06720.92
5.6.80.0030.08320.33
5.6.70.0070.07720.32
5.6.60.0130.06320.45
5.6.50.0100.07320.41
5.6.40.0070.07020.41
5.6.30.0230.05720.38
5.6.20.0130.06720.29
5.6.10.0030.07720.42
5.6.00.0170.07020.36
5.5.370.0070.04320.45
5.5.360.0000.06020.31
5.5.350.0130.07020.33
5.5.340.0070.08720.94
5.5.330.0030.08320.73
5.5.320.0070.08020.86
5.5.310.0130.07720.79
5.5.300.0070.04720.85
5.5.290.0100.08720.85
5.5.280.0070.07720.88
5.5.270.0070.05720.88
5.5.260.0170.07020.62
5.5.250.0130.04320.57
5.5.240.0100.06720.27
5.5.230.0070.06720.27
5.5.220.0200.06720.23
5.5.210.0130.04320.20
5.5.200.0170.05320.10
5.5.190.0130.04320.15
5.5.180.0100.08020.21
5.5.160.0100.08020.22
5.5.150.0130.07320.14
5.5.140.0070.05020.23
5.5.130.0030.08720.25
5.5.120.0100.05320.25
5.5.110.0130.06720.15
5.5.100.0030.04320.17
5.5.90.0070.04320.06
5.5.80.0070.07020.14
5.5.70.0100.07020.05
5.5.60.0070.08020.14
5.5.50.0070.07319.93
5.5.40.0070.06020.02
5.5.30.0100.06719.98
5.5.20.0100.07020.14
5.5.10.0070.07320.03
5.5.00.0230.06320.06
5.4.450.0170.06319.31
5.4.440.0130.05719.27
5.4.430.0030.07019.43
5.4.420.0130.06019.38
5.4.410.0070.07319.18
5.4.400.0030.07019.05
5.4.390.0070.07018.83
5.4.380.0170.07018.97
5.4.370.0130.07018.81
5.4.360.0200.06319.04
5.4.350.0030.07719.05
5.4.340.0070.07019.02
5.4.320.0130.07319.09
5.4.310.0030.07719.23
5.4.300.0030.07019.12
5.4.290.0070.07718.78
5.4.280.0030.07318.97
5.4.270.0100.07018.99
5.4.260.0070.07319.07
5.4.250.0070.07718.80
5.4.240.0100.07319.09
5.4.230.0030.05319.02
5.4.220.0030.08319.14
5.4.210.0030.07719.22
5.4.200.0070.08318.78
5.4.190.0100.06019.02
5.4.180.0030.05019.01
5.4.170.0070.07019.11
5.4.160.0130.07319.09
5.4.150.0030.08018.79
5.4.140.0100.07316.28
5.4.130.0030.05716.05
5.4.120.0070.07016.13
5.4.110.0070.03716.21
5.4.100.0030.04016.38
5.4.90.0030.03716.41
5.4.80.0130.06316.36
5.4.70.0070.07016.41
5.4.60.0070.07716.18
5.4.50.0100.05016.18
5.4.40.0100.06716.45
5.4.30.0030.07716.38
5.4.20.0070.07316.23
5.4.10.0170.07016.14
5.4.00.0100.06315.71
5.3.290.0130.06314.63
5.3.280.0030.08014.42
5.3.270.0070.07714.59
5.3.260.0070.04314.59
5.3.250.0100.07014.45
5.3.240.0070.08714.55
5.3.230.0100.06714.41
5.3.220.0030.07314.42
5.3.210.0100.07014.51
5.3.200.0130.06714.39
5.3.190.0070.07314.54
5.3.180.0070.06714.46
5.3.170.0070.05314.47
5.3.160.0030.07014.53
5.3.150.0030.05014.54
5.3.140.0100.07314.51
5.3.130.0070.04014.45
5.3.120.0070.07314.41
5.3.110.0100.07714.53
5.3.100.0000.05014.12
5.3.90.0070.07314.12
5.3.80.0100.04714.12
5.3.70.0000.05314.12
5.3.60.0030.05314.12
5.3.50.0030.07014.12
5.3.40.0000.08014.12
5.3.30.0070.06714.12
5.3.20.0100.06714.12
5.3.10.0100.06314.12
5.3.00.0030.07014.12
5.2.170.0030.07014.12
5.2.160.0030.06714.12
5.2.150.0100.05714.12
5.2.140.0030.06714.12
5.2.130.0030.06014.12
5.2.120.0030.05714.12
5.2.110.0100.05714.12
5.2.100.0070.05314.12
5.2.90.0100.05314.12
5.2.80.0130.05314.12
5.2.70.0100.03314.12
5.2.60.0070.05314.12
5.2.50.0070.06314.12
5.2.40.0170.04314.12
5.2.30.0100.03314.12
5.2.20.0070.04314.12
5.2.10.0070.05714.12
5.2.00.0100.05714.12
5.1.60.0070.05014.12
5.1.50.0030.05314.12
5.1.40.0000.03714.12
5.1.30.0000.04014.12
5.1.20.0070.02314.12
5.1.10.0000.06014.12
5.1.00.0070.05714.12
5.0.50.0000.05014.12
5.0.40.0030.04714.12
5.0.30.0070.06014.12
5.0.20.0000.04714.12
5.0.10.0000.04014.12
5.0.00.0000.03314.12
4.4.90.0000.04014.12
4.4.80.0000.03714.12
4.4.70.0030.03314.12
4.4.60.0000.03714.12
4.4.50.0070.02314.12
4.4.40.0070.03314.12
4.4.30.0000.02014.12
4.4.20.0000.03714.12
4.4.10.0000.03314.12
4.4.00.0000.05714.12
4.3.110.0000.03714.12
4.3.100.0000.04014.12
4.3.90.0030.02314.12
4.3.80.0000.05014.12
4.3.70.0000.01714.12
4.3.60.0070.02314.12
4.3.50.0000.01714.12
4.3.40.0100.04314.12
4.3.30.0000.01714.12
4.3.20.0000.03714.12
4.3.10.0000.03314.12
4.3.00.0030.03014.12

preferences:
44.15 ms | 401 KiB | 5 Q