3v4l.org

run code in 300+ PHP versions simultaneously
<?php $st = "blab lbal bal b"; echo( preg_replace ( '/\s/', '_', $st ));

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)
8.3.40.0170.00319.00
8.3.30.0040.01420.34
8.3.20.0040.00418.76
8.3.10.0040.00420.87
8.3.00.0040.00423.49
8.2.170.0140.00022.96
8.2.160.0000.01820.44
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00319.77
8.2.110.0070.00320.52
8.2.100.0080.00418.03
8.2.90.0000.00819.23
8.2.80.0060.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00417.87
8.2.50.0000.00818.07
8.2.40.0000.00918.28
8.2.30.0060.00319.38
8.2.20.0040.00417.73
8.2.10.0050.00317.77
8.2.00.0030.00717.58
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0000.00922.19
8.1.230.0040.00717.63
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0060.00317.40
8.1.180.0030.00618.10
8.1.170.0060.00318.65
8.1.160.0040.00418.84
8.1.150.0040.00418.77
8.1.140.0040.00417.48
8.1.130.0070.00017.91
8.1.120.0070.00017.44
8.1.110.0080.00017.44
8.1.100.0040.00417.51
8.1.90.0070.00017.52
8.1.80.0040.00417.59
8.1.70.0070.00017.48
8.1.60.0030.00617.55
8.1.50.0000.00817.42
8.1.40.0020.00517.54
8.1.30.0040.00417.67
8.1.20.0040.00417.78
8.1.10.0040.00417.68
8.1.00.0080.00017.52
8.0.300.0040.00418.77
8.0.290.0040.00417.00
8.0.280.0050.00318.37
8.0.270.0060.00317.18
8.0.260.0080.00017.02
8.0.250.0070.00017.08
8.0.240.0060.00316.98
8.0.230.0070.00017.07
8.0.220.0000.00716.95
8.0.210.0060.00316.95
8.0.200.0030.00317.07
8.0.190.0000.00717.00
8.0.180.0070.00016.88
8.0.170.0000.00816.97
8.0.160.0040.00417.06
8.0.150.0000.00716.90
8.0.140.0040.00416.97
8.0.130.0000.00613.32
8.0.120.0040.00416.92
8.0.110.0000.00816.96
8.0.100.0070.00017.07
8.0.90.0040.00416.86
8.0.80.0060.00916.86
8.0.70.0000.00716.75
8.0.60.0040.00416.95
8.0.50.0000.00716.79
8.0.30.0090.01117.18
8.0.20.0070.01317.40
8.0.10.0000.00717.05
8.0.00.0100.00816.95
7.4.330.0020.00216.86
7.4.320.0000.00716.62
7.4.300.0030.00316.75
7.4.290.0040.00716.61
7.4.280.0000.00716.75
7.4.270.0000.00616.65
7.4.260.0000.00613.40
7.4.250.0040.00416.57
7.4.240.0080.00016.65
7.4.230.0030.00316.72
7.4.220.0070.01316.65
7.4.210.0110.00416.76
7.4.200.0050.00316.57
7.4.190.0000.00816.62
7.4.160.0080.00816.66
7.4.150.0110.00717.40
7.4.140.0060.01317.86
7.4.130.0060.01116.68
7.4.120.0110.01116.79
7.4.110.0090.00916.71
7.4.100.0070.01116.82
7.4.90.0000.01716.64
7.4.80.0100.00719.39
7.4.70.0100.00716.50
7.4.60.0030.01216.56
7.4.50.0000.00816.51
7.4.40.0070.00722.77
7.4.30.0110.01116.78
7.4.00.0090.00915.05
7.3.330.0030.00313.18
7.3.320.0000.00513.12
7.3.310.0030.00316.30
7.3.300.0030.00316.28
7.3.290.0060.01516.29
7.3.280.0080.00716.34
7.3.270.0130.01017.40
7.3.260.0160.00318.24
7.3.250.0060.01816.40
7.3.240.0130.00316.62
7.3.230.0090.00916.45
7.3.210.0080.00816.38
7.3.200.0140.00319.39
7.3.190.0100.01216.51
7.3.180.0060.00916.55
7.3.170.0060.01016.67
7.3.160.0120.00916.39
7.3.120.0060.00914.62
7.2.330.0070.01016.64
7.2.320.0080.00816.66
7.2.310.0100.00716.59
7.2.300.0070.01016.73
7.2.290.0060.00916.71
7.2.60.0110.00616.94
7.2.00.0040.00719.51
7.1.200.0050.00815.92
7.1.100.0000.01318.47
7.1.70.0000.01117.01
7.1.60.0110.01419.17
7.1.50.0100.01417.05
7.1.00.0000.03722.45
7.0.200.0000.00716.97
7.0.140.0100.06321.96
7.0.100.0100.06719.93
7.0.90.0100.05019.98
7.0.80.0170.04319.88
7.0.70.0030.07319.89
7.0.60.0170.07320.05
7.0.50.0070.04720.15
7.0.40.0100.05320.07
7.0.30.0100.07320.15
7.0.20.0070.05320.14
7.0.10.0100.08320.09
7.0.00.0100.07720.10
5.6.280.0130.06021.03
5.6.250.0130.06320.62
5.6.240.0070.06720.57
5.6.230.0000.06020.73
5.6.220.0100.07720.70
5.6.210.0070.05020.45
5.6.200.0130.06721.13
5.6.190.0230.06721.07
5.6.180.0070.04721.03
5.6.170.0000.08721.08
5.6.160.0170.06721.04
5.6.150.0200.07020.95
5.6.140.0100.07320.92
5.6.130.0070.08321.10
5.6.120.0170.07721.16
5.6.110.0070.04721.03
5.6.100.0130.06721.06
5.6.90.0170.04720.98
5.6.80.0030.06720.33
5.6.70.0130.05020.45
5.6.60.0100.04020.46
5.6.50.0000.06320.34
5.6.40.0070.05720.38
5.6.30.0030.06020.27
5.6.20.0100.07020.30
5.6.10.0000.08020.38
5.6.00.0030.07720.38
5.5.380.0030.08320.35
5.5.370.0100.07720.49
5.5.360.0170.07020.48
5.5.350.0130.05020.33
5.5.340.0070.06720.82
5.5.330.0070.07320.79
5.5.320.0000.07720.73
5.5.310.0170.06720.86
5.5.300.0130.08020.81
5.5.290.0070.05320.72
5.5.280.0100.04020.92
5.5.270.0200.06320.89
5.5.260.0130.07320.90
5.5.250.0000.08020.59
5.5.240.0000.08320.24
5.5.230.0070.03720.10
5.5.220.0100.04020.16
5.5.210.0070.08320.14
5.5.200.0170.07020.21
5.5.190.0070.07720.21
5.5.180.0070.07019.98
5.5.160.0130.06020.14
5.5.150.0030.08020.06
5.5.140.0030.03720.11
5.5.130.0100.07020.11
5.5.120.0170.03320.18
5.5.110.0000.08319.98
5.5.100.0100.04020.06
5.5.90.0100.06020.14
5.5.80.0100.07720.06
5.5.70.0000.08320.09
5.5.60.0070.06720.14
5.5.50.0030.05720.14
5.5.40.0170.06320.00
5.5.30.0130.06720.13
5.5.20.0130.06720.14
5.5.10.0070.04319.98
5.5.00.0130.06719.96
5.4.450.0100.07319.36
5.4.440.0030.04019.29
5.4.430.0170.05719.35
5.4.420.0130.07719.34
5.4.410.0000.08319.16
5.4.400.0100.07018.98
5.4.390.0070.04719.06
5.4.380.0100.06019.23
5.4.370.0070.04019.04
5.4.360.0070.07319.05
5.4.350.0070.03319.06
5.4.340.0030.06319.03
5.4.320.0030.05718.96
5.4.310.0170.06319.10
5.4.300.0000.05319.04
5.4.290.0070.04719.09
5.4.280.0100.07018.99
5.4.270.0070.06019.07
5.4.260.0100.05718.78
5.4.250.0000.04019.13
5.4.240.0130.06718.80
5.4.230.0100.06019.14
5.4.220.0100.07718.91
5.4.210.0070.08018.80
5.4.200.0170.06018.80
5.4.190.0070.08019.22
5.4.180.0000.08019.02
5.4.170.0070.03318.91
5.4.160.0030.08019.03
5.4.150.0100.07018.76
5.4.140.0130.05316.33
5.4.130.0030.07316.38
5.4.120.0100.04716.29
5.4.110.0130.06016.43
5.4.100.0070.07016.21
5.4.90.0070.03716.44
5.4.80.0030.05316.25
5.4.70.0070.07016.36
5.4.60.0170.03316.31
5.4.50.0070.07716.18
5.4.40.0100.06316.43
5.4.30.0070.04016.34
5.4.20.0030.05316.23
5.4.10.0100.07316.17
5.4.00.0000.04715.72
5.3.290.0030.07714.52
5.3.280.0070.04014.45
5.3.270.0130.06014.58
5.3.260.0030.04014.59
5.3.250.0070.07314.59
5.3.240.0000.07314.57
5.3.230.0030.07314.50
5.3.220.0130.06314.40
5.3.210.0100.07314.54
5.3.200.0070.06714.55
5.3.190.0000.08314.55
5.3.180.0070.04014.52
5.3.170.0270.03714.56
5.3.160.0100.07014.55
5.3.150.0100.07314.54
5.3.140.0030.07714.54
5.3.130.0070.07314.41
5.3.120.0170.06014.52
5.3.110.0200.06314.53
5.3.100.0130.06713.90
5.3.90.0070.07313.85
5.3.80.0070.04014.01
5.3.70.0100.06713.99
5.3.60.0070.07313.86
5.3.50.0000.04713.88
5.3.40.0070.05313.95
5.3.30.0000.08013.89
5.3.20.0170.06013.66
5.3.10.0070.03313.43
5.3.00.0100.03713.41
5.2.170.0030.03012.31
5.2.160.0030.06312.31
5.2.150.0000.03312.31
5.2.140.0100.05712.31
5.2.130.0070.06312.31
5.2.120.0130.03012.31
5.2.110.0070.04312.31
5.2.100.0000.06012.31
5.2.90.0100.05712.31
5.2.80.0000.05012.31
5.2.70.0070.06312.31
5.2.60.0100.05712.31
5.2.50.0070.04012.31
5.2.40.0070.04712.31
5.2.30.0000.04712.31
5.2.20.0100.02712.31
5.2.10.0000.05312.31
5.2.00.0070.05012.31
5.1.60.0070.04712.31
5.1.50.0070.05012.31
5.1.40.0170.03312.31
5.1.30.0030.04312.31
5.1.20.0030.05712.31
5.1.10.0100.05012.31
5.1.00.0100.04312.31
5.0.50.0070.03012.31
5.0.40.0030.04712.31
5.0.30.0070.04712.31
5.0.20.0000.04312.31
5.0.10.0070.03012.31
5.0.00.0000.05712.31
4.4.90.0000.03312.31
4.4.80.0000.03712.31
4.4.70.0030.01312.31
4.4.60.0030.02312.31
4.4.50.0030.01712.31
4.4.40.0000.04312.31
4.4.30.0030.03312.31
4.4.20.0100.01012.31
4.4.10.0030.03312.31
4.4.00.0030.04712.31
4.3.110.0070.03312.31
4.3.100.0030.03312.31
4.3.90.0100.02312.31
4.3.80.0030.05012.31
4.3.70.0070.02712.31
4.3.60.0070.02712.31
4.3.50.0070.03012.31
4.3.40.0030.04312.31
4.3.30.0000.03012.31
4.3.20.0030.03012.31
4.3.10.0000.01712.31
4.3.00.0000.02012.31

preferences:
46.24 ms | 400 KiB | 5 Q