3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "\nLets try to redefine true..\n"; define("true", false); if (true) { echo "TRUE"; } else { echo "FALSE"; } echo "\nNow redefine TRUE..\n"; define("TRUE", false); if (TRUE) { echo "TRUE"; } else { echo "FALSE"; }

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)
8.3.60.0070.00716.50
8.3.50.0220.00816.22
8.3.40.0150.00018.66
8.3.30.0100.00318.75
8.3.20.0030.00618.60
8.3.10.0060.00320.49
8.3.00.0090.00019.38
8.2.180.0130.00316.38
8.2.170.0120.00422.96
8.2.160.0110.00421.96
8.2.150.0050.00224.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00419.83
8.2.110.0030.00620.39
8.2.100.0090.00617.72
8.2.90.0030.00518.03
8.2.80.0040.00417.80
8.2.70.0000.00817.63
8.2.60.0040.00417.80
8.2.50.0030.00518.07
8.2.40.0050.00317.97
8.2.30.0000.00717.81
8.2.20.0000.00717.65
8.2.10.0030.00617.52
8.2.00.0000.00817.66
8.1.280.0100.01025.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.01022.19
8.1.230.0000.01120.90
8.1.220.0050.00317.74
8.1.210.0050.00318.91
8.1.200.0090.00017.23
8.1.190.0000.00817.40
8.1.180.0030.00618.10
8.1.170.0000.00818.77
8.1.160.0050.00218.77
8.1.150.0030.00718.50
8.1.140.0040.00417.33
8.1.130.0030.00317.79
8.1.120.0000.00817.36
8.1.110.0070.00017.21
8.1.100.0000.00717.21
8.1.90.0000.00717.36
8.1.80.0030.00417.29
8.1.70.0000.00717.33
8.1.60.0040.00417.29
8.1.50.0000.00817.34
8.1.40.0060.00317.29
8.1.30.0030.00517.40
8.1.20.0030.00517.51
8.1.10.0050.00317.35
8.1.00.0000.00717.31
8.0.300.0030.00620.07
8.0.290.0050.00216.75
8.0.280.0000.00718.34
8.0.270.0000.00717.18
8.0.260.0030.00316.84
8.0.250.0000.00816.86
8.0.240.0060.00316.89
8.0.230.0030.00316.88
8.0.220.0030.00316.81
8.0.210.0050.00216.71
8.0.200.0040.00416.79
8.0.190.0000.00716.94
8.0.180.0070.00016.84
8.0.170.0000.00816.79
8.0.160.0050.00316.74
8.0.150.0030.00516.72
8.0.140.0070.00316.77
8.0.130.0030.00313.34
8.0.120.0000.00816.81
8.0.110.0030.00616.94
8.0.100.0040.00416.85
8.0.90.0070.00016.64
8.0.80.0060.01116.77
8.0.70.0000.00716.82
8.0.60.0020.00516.71
8.0.50.0040.00416.78
8.0.30.0210.00317.13
8.0.20.0090.00917.03
8.0.10.0070.00016.78
8.0.00.0130.00816.79
7.4.330.0030.00312.79
7.4.320.0000.00616.45
7.4.300.0030.00516.35
7.4.290.0030.00316.39
7.4.280.0090.00016.49
7.4.270.0000.00716.38
7.4.260.0030.00313.25
7.4.250.0070.00016.39
7.4.240.0030.00316.46
7.4.230.0070.00016.52
7.4.220.0130.00316.46
7.4.210.0090.00816.45
7.4.200.0000.00716.30
7.4.190.0070.00016.55
7.4.160.0130.00316.36
7.4.150.0090.00916.35
7.4.140.0070.01216.53
7.4.130.0060.01116.44
7.4.120.0070.01016.39
7.4.110.0070.01016.48
7.4.100.0110.00616.39
7.4.90.0080.01316.43
7.4.80.0060.01316.27
7.4.70.0100.00616.39
7.4.60.0100.00616.31
7.4.50.0040.00416.39
7.4.40.0000.01416.37
7.4.30.0110.00716.53
7.4.00.0090.00614.89
7.3.330.0030.00313.10
7.3.320.0050.00013.11
7.3.310.0060.00016.19
7.3.300.0070.00016.17
7.3.290.0080.00816.24
7.3.280.0100.00516.21
7.3.270.0120.00416.16
7.3.260.0110.00616.38
7.3.250.0070.01016.18
7.3.240.0150.00616.25
7.3.230.0120.00616.46
7.3.210.0120.00816.37
7.3.200.0070.01119.39
7.3.190.0170.00316.36
7.3.180.0030.01316.46
7.3.170.0130.00316.20
7.3.160.0030.01516.19
7.3.120.0080.00814.94
7.3.10.0100.00316.72
7.3.00.0060.00616.50
7.2.330.0170.00016.49
7.2.320.0040.01316.45
7.2.310.0060.01816.55
7.2.300.0110.00616.36
7.2.290.0070.01016.42
7.2.130.0060.00916.73
7.2.120.0040.00416.72
7.2.110.0040.00816.84
7.2.100.0000.01416.72
7.2.90.0030.00916.67
7.2.80.0070.00716.72
7.2.70.0140.00016.80
7.2.60.0030.00816.77
7.2.50.0030.01216.89
7.2.40.0000.01216.57
7.2.30.0000.00816.89
7.2.20.0090.00316.85
7.2.10.0130.00016.47
7.2.00.0050.00817.95
7.1.250.0060.00615.63
7.1.200.0080.00815.58
7.1.100.0110.00018.11
7.1.70.0040.00417.06
7.1.60.0060.01819.40
7.1.50.0030.01816.75
7.1.00.0070.07322.41
7.0.200.0200.00414.83
7.0.140.0030.07322.08
7.0.120.0000.06722.09
7.0.60.0000.08721.70
7.0.50.0070.04317.79
7.0.40.0130.07720.10
7.0.30.0430.08320.01
7.0.20.0270.05320.16
7.0.10.0100.08020.33
7.0.00.0070.09020.08
5.6.280.0070.09021.06
5.6.210.0100.06320.55
5.6.200.0070.07718.13
5.6.190.0070.07720.41
5.6.180.0330.06720.57
5.6.170.0200.04020.41
5.6.160.0100.07020.37
5.6.150.0000.07718.08
5.6.140.0130.07318.20
5.6.130.0100.07318.08
5.6.120.0070.08720.98
5.6.110.0070.04020.88
5.6.100.0130.07720.95
5.6.90.0070.04021.01
5.6.80.0130.04720.48
5.5.350.0030.04320.52
5.5.340.0070.08317.98
5.5.330.0170.07020.59
5.5.320.0300.05020.29
5.5.310.0300.04320.20
5.5.300.0030.06018.02
5.5.290.0070.08018.02
5.5.280.0070.08320.86
5.5.270.0030.08020.86
5.5.260.0030.04020.87
5.5.250.0070.06020.55
5.5.240.0170.08020.25
5.4.450.0070.05719.50
5.4.440.0100.07719.25
5.4.430.0070.05019.46
5.4.420.0070.03719.47
5.4.410.0030.07319.29
5.4.400.0000.05318.79
5.4.390.0070.05319.09
5.4.380.0100.07318.80
5.4.370.0070.06319.18
5.4.360.0030.04018.79
5.4.350.0100.07719.18
5.4.340.0100.05319.00
5.4.320.0070.07319.14
5.4.310.0070.06719.18
5.4.300.0100.07019.19
5.4.290.0070.04718.91
5.4.280.0170.05719.07
5.4.270.0070.07718.78
5.4.260.0070.07719.07
5.4.250.0100.06719.11
5.4.240.0030.08319.11
5.4.230.0070.07318.78
5.4.220.0070.06719.14
5.4.210.0100.04019.17
5.4.200.0130.05319.17
5.4.190.0030.08018.91
5.4.180.0030.04019.13
5.4.170.0030.06719.14
5.4.160.0070.05319.06
5.4.150.0070.03719.15
5.4.140.0000.04716.36
5.4.130.0030.07716.20
5.4.120.0030.03716.16
5.4.110.0130.05316.40
5.4.100.0170.06316.30
5.4.90.0000.08316.30
5.4.80.0070.07716.28
5.4.70.0100.06716.21
5.4.60.0070.07016.28
5.4.50.0100.07016.25
5.4.40.0130.03016.12
5.4.30.0070.06716.37
5.4.20.0070.06016.12
5.4.10.0070.07316.33
5.4.00.0100.06715.82
5.3.290.0070.05314.60
5.3.280.0030.08314.57
5.3.270.0070.07314.39
5.3.260.0030.04014.52
5.3.250.0070.03714.39
5.3.240.0100.03014.56
5.3.230.0100.06714.52
5.3.220.0030.08014.48
5.3.210.0070.06314.49
5.3.200.0070.07314.50
5.3.190.0030.05314.50
5.3.180.0100.07714.35
5.3.170.0030.07714.65
5.3.160.0070.07014.49
5.3.150.0130.06314.45
5.3.140.0100.04014.43
5.3.130.0000.06714.63
5.3.120.0030.05014.49
5.3.110.0100.07314.36
5.3.100.0030.06713.95
5.3.90.0100.07313.90
5.3.80.0100.06313.99
5.3.70.0000.06013.96
5.3.60.0070.07014.01
5.3.50.0070.06013.87
5.3.40.0070.07013.89
5.3.30.0030.07713.72
5.3.20.0070.07313.52
5.3.10.0100.06313.59
5.3.00.0000.04313.56
5.2.170.0070.04011.13
5.2.160.0100.06011.10
5.2.150.0070.04311.08
5.2.140.0030.04711.07
5.2.130.0100.03711.04
5.2.120.0030.04311.25
5.2.110.0070.06010.99
5.2.100.0070.02711.00
5.2.90.0070.05711.00
5.2.80.0000.03711.08
5.2.70.0100.02311.07
5.2.60.0070.06011.20
5.2.50.0100.05010.89
5.2.40.0000.07010.98
5.2.30.0000.05310.90
5.2.20.0030.03710.85
5.2.10.0000.03310.89
5.2.00.0030.03710.79
5.1.60.0000.0379.89
5.1.50.0070.0239.96
5.1.40.0070.05310.12
5.1.30.0030.05010.36
5.1.20.0100.03710.39
5.1.10.0070.04010.21
5.1.00.0000.06010.05
5.0.50.0070.0308.55
5.0.40.0030.0278.31
5.0.30.0030.0338.28
5.0.20.0030.0438.16
5.0.10.0130.0378.13
5.0.00.0070.0508.06
4.4.90.0000.0237.88
4.4.80.0030.0207.88
4.4.70.0000.0407.88
4.4.60.0000.0337.88
4.4.50.0030.0207.88
4.4.40.0030.0307.88
4.4.30.0000.0237.88
4.4.20.0030.0207.88
4.4.10.0030.0237.88
4.4.00.0070.0437.88
4.3.110.0030.0177.88
4.3.100.0030.0177.88
4.3.90.0030.0337.88
4.3.80.0030.0277.88
4.3.70.0030.0277.88
4.3.60.0000.0407.88
4.3.50.0100.0107.88
4.3.40.0070.0507.88
4.3.30.0000.0377.88
4.3.20.0000.0307.88
4.3.10.0000.0307.88
4.3.00.0000.0177.88

preferences:
39.32 ms | 401 KiB | 5 Q