3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 's a c dd a'; $bar = str_replace(' ', '', $foo); var_dump($bar);

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)
8.3.60.0040.01118.17
8.3.50.0190.00421.14
8.3.40.0080.00818.60
8.3.30.0070.00720.18
8.3.20.0080.00020.27
8.3.10.0080.00020.82
8.3.00.0060.00320.46
8.2.180.0090.01316.38
8.2.170.0140.00722.96
8.2.160.0100.00620.39
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00421.19
8.2.110.0060.00321.00
8.2.100.0090.00317.66
8.2.90.0040.00419.21
8.2.80.0040.00419.28
8.2.70.0030.00517.50
8.2.60.0080.00017.93
8.2.50.0040.00418.07
8.2.40.0000.00819.95
8.2.30.0040.00419.49
8.2.20.0000.00717.49
8.2.10.0000.00817.78
8.2.00.0030.00617.64
8.1.280.0150.00025.92
8.1.270.0000.00823.99
8.1.260.0070.00026.35
8.1.250.0020.00528.09
8.1.240.0030.00722.46
8.1.230.0080.00320.96
8.1.220.0040.00418.77
8.1.210.0040.00718.92
8.1.200.0060.00317.22
8.1.190.0040.00417.39
8.1.180.0080.00018.10
8.1.170.0050.00318.65
8.1.160.0030.00318.85
8.1.150.0030.00618.56
8.1.140.0000.00717.36
8.1.130.0080.00017.81
8.1.120.0020.00517.28
8.1.110.0070.00017.40
8.1.100.0080.00017.36
8.1.90.0070.00017.38
8.1.80.0000.00717.27
8.1.70.0070.00017.29
8.1.60.0000.00917.54
8.1.50.0040.00417.43
8.1.40.0040.00417.49
8.1.30.0070.00017.39
8.1.20.0030.00517.45
8.1.10.0030.00617.33
8.1.00.0040.00417.34
8.0.300.0080.00019.93
8.0.290.0000.00817.15
8.0.280.0000.00618.26
8.0.270.0050.00317.24
8.0.260.0030.00316.79
8.0.250.0070.00316.77
8.0.240.0000.00816.84
8.0.230.0070.00016.84
8.0.220.0000.00716.74
8.0.210.0000.00716.81
8.0.200.0000.00616.79
8.0.190.0000.00716.83
8.0.180.0050.00316.77
8.0.170.0030.00316.74
8.0.160.0030.00316.85
8.0.150.0000.00716.65
8.0.140.0060.00616.82
8.0.130.0060.00013.31
8.0.120.0000.00916.77
8.0.110.0040.00416.67
8.0.100.0000.00716.76
8.0.90.0040.00416.88
8.0.80.0040.01116.84
8.0.70.0040.00416.86
8.0.60.0000.00716.78
8.0.50.0000.00816.61
8.0.30.0060.01316.98
8.0.20.0100.01317.40
8.0.10.0080.00016.81
8.0.00.0080.01516.59
7.4.330.0000.00516.84
7.4.320.0030.00316.44
7.4.300.0030.00616.38
7.4.290.0030.00316.41
7.4.280.0030.00316.51
7.4.270.0000.00716.43
7.4.260.0000.00513.10
7.4.250.0030.00616.40
7.4.240.0020.00516.44
7.4.230.0040.00416.59
7.4.220.0090.00916.45
7.4.210.0070.00716.54
7.4.200.0000.00716.36
7.4.190.0070.00016.32
7.4.160.0110.01116.42
7.4.150.0100.00717.40
7.4.140.0160.00117.86
7.4.130.0120.00716.30
7.4.120.0080.00816.32
7.4.110.0080.00816.41
7.4.100.0110.00716.43
7.4.90.0060.01816.24
7.4.80.0120.00419.39
7.4.70.0110.00716.43
7.4.60.0070.01416.41
7.4.50.0030.00516.20
7.4.40.0100.00322.77
7.4.30.0100.01016.43
7.4.00.0070.01014.95
7.3.330.0000.00612.88
7.3.320.0000.00712.93
7.3.310.0040.00416.07
7.3.300.0000.00716.15
7.3.290.0060.00716.11
7.3.280.0070.01216.13
7.3.270.0070.01017.40
7.3.260.0120.00618.24
7.3.250.0090.00716.38
7.3.240.0040.01316.38
7.3.230.0140.00716.39
7.3.210.0040.01816.12
7.3.200.0060.01219.39
7.3.190.0120.00816.33
7.3.180.0130.00316.18
7.3.170.0130.00316.52
7.3.160.0100.00716.21
7.3.120.0090.00614.34
7.3.10.0070.00716.55
7.3.00.0090.00616.21
7.2.330.0090.00916.58
7.2.320.0100.01016.47
7.2.310.0070.01216.46
7.2.300.0080.00816.39
7.2.290.0110.00516.66
7.2.130.0030.00716.55
7.2.120.0060.00616.80
7.2.110.0040.00816.40
7.2.100.0000.01116.78
7.2.90.0000.01216.70
7.2.80.0060.00616.70
7.2.70.0060.00616.83
7.2.60.0060.00816.73
7.2.50.0070.00416.88
7.2.40.0030.01016.96
7.2.30.0060.00316.78
7.2.20.0030.00916.99
7.2.10.0030.01016.41
7.2.00.0060.00616.85
7.1.250.0040.00815.67
7.1.200.0080.00415.51
7.1.70.0000.00816.95
7.1.60.0040.01919.17
7.1.50.0030.01016.92
7.1.00.0100.05722.35
7.0.200.0080.00016.41
7.0.140.0070.07022.15
7.0.100.0100.03720.00
7.0.90.0130.06320.03
7.0.80.0100.05719.88
7.0.70.0100.03719.90
7.0.60.0030.04320.10
7.0.50.0070.04720.32
7.0.40.0030.08020.09
7.0.30.0000.04720.07
7.0.20.0100.04320.18
7.0.10.0070.04020.12
7.0.00.0100.03720.04
5.6.280.0070.07020.85
5.6.250.0000.04320.63
5.6.240.0000.04320.54
5.6.230.0070.05320.68
5.6.220.0030.04320.52
5.6.210.0030.04020.68
5.6.200.0070.06720.94
5.6.190.0100.08321.08
5.6.180.0070.06320.95
5.6.170.0000.04721.05
5.6.160.0000.05020.93
5.6.150.0030.04021.03
5.6.140.0030.10021.04
5.6.130.0100.08021.03
5.6.120.0030.05321.00
5.6.110.0030.04321.03
5.6.100.0000.04321.00
5.6.90.0030.04321.05
5.6.80.0000.05320.46
5.6.70.0030.04020.51
5.6.60.0000.04320.38
5.6.50.0000.05320.51
5.6.40.0130.03320.46
5.6.30.0130.04320.40
5.6.20.0030.04020.37
5.6.10.0070.04320.43
5.6.00.0100.08020.45
5.5.380.0100.03720.41
5.5.370.0200.03320.38
5.5.360.0100.03720.34
5.5.350.0000.04720.43
5.5.340.0070.04020.82
5.5.330.0030.06320.80
5.5.320.0030.04320.63
5.5.310.0030.04320.72
5.5.300.0000.06020.92
5.5.290.0170.07320.90
5.5.280.0100.08020.86
5.5.270.0100.05720.85
5.5.260.0030.06720.63
5.5.250.0030.04720.60
5.5.240.0000.04320.21
5.5.230.0030.08320.29
5.5.220.0100.08720.29
5.5.210.0030.07320.23
5.5.200.0030.06320.26
5.5.190.0030.05720.22
5.5.180.0030.05020.17
5.5.160.0030.03720.12
5.5.150.0030.06320.18
5.5.140.0070.06720.20
5.5.130.0070.07319.98
5.5.120.0000.04320.23
5.5.110.0100.04020.25
5.5.100.0000.04720.07
5.5.90.0070.05320.06
5.5.80.0130.05320.06
5.5.70.0000.04320.05
5.5.60.0200.02320.13
5.5.50.0030.03720.14
5.5.40.0070.04720.05
5.5.30.0100.03320.10
5.5.20.0030.07720.05
5.5.10.0100.03720.05
5.5.00.0030.03719.96
5.4.450.0100.03319.48
5.4.440.0030.04019.29
5.4.430.0030.04019.47
5.4.420.0070.03719.35
5.4.410.0070.03719.09
5.4.400.0100.03019.04
5.4.390.0100.03018.81
5.4.380.0100.03719.04
5.4.370.0000.05018.83
5.4.360.0100.05019.15
5.4.350.0030.05719.08
5.4.340.0070.04319.08
5.4.320.0000.03719.23
5.4.310.0070.03319.21
5.4.300.0100.03319.02
5.4.290.0030.04719.07
5.4.280.0100.03318.82
5.4.270.0000.04018.98
5.4.260.0030.06718.98
5.4.250.0100.03019.23
5.4.240.0030.04319.09
5.4.230.0070.04319.04
5.4.220.0070.05318.94
5.4.210.0000.04019.13
5.4.200.0030.06018.78
5.4.190.0070.03718.80
5.4.180.0070.04019.22
5.4.170.0030.05019.04
5.4.160.0100.06319.21
5.4.150.0030.05018.96
5.4.140.0000.08016.30
5.4.130.0100.08016.27
5.4.120.0130.02716.27
5.4.110.0000.04016.27
5.4.100.0070.04016.27
5.4.90.0070.03316.26
5.4.80.0000.03716.39
5.4.70.0000.03716.33
5.4.60.0100.03016.42
5.4.50.0030.05316.42
5.4.40.0070.03316.29
5.4.30.0000.03716.31
5.4.20.0070.03716.49
5.4.10.0030.03316.36
5.4.00.0030.04715.67
5.3.290.0070.03714.64
5.3.280.0000.04014.44
5.3.270.0030.07314.58
5.3.260.0070.04314.54
5.3.250.0000.04014.59
5.3.240.0070.03714.46
5.3.230.0100.06314.46
5.3.220.0100.03314.57
5.3.210.0070.03314.43
5.3.200.0030.04714.55
5.3.190.0030.03714.54
5.3.180.0000.04014.55
5.3.170.0000.06014.55
5.3.160.0000.04014.41
5.3.150.0000.04014.54
5.3.140.0030.03714.39
5.3.130.0030.03714.50
5.3.120.0100.04014.52
5.3.110.0000.04014.52
5.3.100.0130.02713.88
5.3.90.0030.03713.88
5.3.80.0070.03313.98
5.3.70.0000.04713.88
5.3.60.0000.04313.98
5.3.50.0000.04013.92
5.3.40.0100.06013.88
5.3.30.0030.03713.76
5.3.20.0070.06013.60
5.3.10.0100.02713.59
5.3.00.0100.02713.59
5.2.170.0030.03011.17
5.2.160.0000.03311.14
5.2.150.0030.02711.14
5.2.140.0070.02311.18
5.2.130.0030.04711.09
5.2.120.0030.02710.95
5.2.110.0030.03710.94
5.2.100.0030.04011.14
5.2.90.0100.02011.06
5.2.80.0000.06310.91
5.2.70.0030.03011.05
5.2.60.0100.05711.00
5.2.50.0070.02310.84
5.2.40.0030.03310.98
5.2.30.0000.03011.00
5.2.20.0000.03010.98
5.2.10.0000.03310.88
5.2.00.0000.03010.73
5.1.60.0030.0239.82
5.1.50.0030.04310.02
5.1.40.0000.0279.97
5.1.30.0100.01710.40
5.1.20.0000.03710.42
5.1.10.0030.02710.05
5.1.00.0030.02310.09
5.0.50.0100.0438.84
5.0.40.0000.0308.84
5.0.30.0000.0308.84
5.0.20.0070.0208.84
5.0.10.0070.0178.84
5.0.00.0070.0578.84
4.4.90.0000.0278.84
4.4.80.0030.0138.84
4.4.70.0070.0108.84
4.4.60.0000.0178.84
4.4.50.0000.0138.84
4.4.40.0000.0278.84
4.4.30.0030.0108.84
4.4.20.0000.0278.84
4.4.10.0000.0238.84
4.4.00.0030.0508.84
4.3.110.0030.0138.84
4.3.100.0030.0138.84
4.3.90.0000.0178.84
4.3.80.0000.0278.84
4.3.70.0000.0178.84
4.3.60.0000.0178.84
4.3.50.0000.0178.84
4.3.40.0000.0238.84
4.3.30.0000.0138.84
4.3.20.0000.0208.84
4.3.10.0000.0378.84
4.3.00.0000.0178.84

preferences:
42.97 ms | 401 KiB | 5 Q